82
{Crow,~ Cop yrght Reservcl. ~L9suecL u’itl& Army Order3 fo’t January, 1923. GUN DR1LL~ ~ ~ 1. Lw i~ 9 2-inch B.L. Ha~vItzer, J~ark”ll, CARRIAGE, MA~{i---~ 1923. 1~UBUSI1~DBY ITIS MAJ}~wrY’s STATIONEI1Y OPY~C~. Ye be j,~obe,e4 thpou~h I3ookecllor or directly trove hid. RTA’~lO~l~It’~&~lUl~ ev lb. foIlo~hn, oI,I,e~vo IM1kRLhiOt$LXtNfl~W*! I ci)o~vW.C. 2 .nd 2.~ ARI IoP~StilKicy. LoRcO~. ~.W. 1 PT rET~* 8TR T,MAhcflIl’TORI 1 ~r. A’fln~W’~ CLI o.~b1 CAIWLPP Pr ha~ 2?OLITII dTLI~ET,EbvNL.4ULtuI1. 1023. G.D. 50. Oil. 1VeI.

Gun Drill of the 9.2in BL Howitzer Mark II

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Gun Drill of the 9.2in BL Howitzer Mark II

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{Crow,~Copyr�ghtReservcl.

~L9suecLu’itl& Army Order3fo’t January,1923.

GUN DR1LL~~

~ 1. Lw i~

9 2-inch B.L. Ha~vItzer,J~ark”ll,CARRIAGE, MA~{i---~

1923.

1~UBUSI1~DBY ITIS MAJ}~wrY’s STATIONEI1Y OPY~C~.

Yebej,~obe,e4thpou~h I3ookecllor or directly trovehid. RTA’~lO~l~It’~&~lUl~ev lb. foIlo~hn, oI,I,e~vo

IM1kRLhiOt$LXtNfl~W*! I ci)o~vW.C.2 .nd 2.~A RI IoP~StilKicy. LoRcO~.~.W. 1PTrET~* 8TR T,MAhcflIl’TORI 1 ~r. A’fln~W’~CLI o.~b1CAIWLPP

Pr ha~2?OLITII dTLI~ET,EbvNL.4ULtuI1.

1023.G.D. 50. Oil. 1VeI.

By Command of the Army CounciL.

TILE WAR OmcE,January,1023.

LCrowii Copyright Reserved.IIssuedwith Army Ordersfor January,1923.

GUN DRILLFOR

92-inch B.L. Howitzer, Mark II,CARRIAGE, MARK— _~,‘~‘_::,,“.‘:.

t92~.‘.‘ :‘1 ~‘i.’~ I

•1,flNlvcv ~e

ItIBLISHED BY ILLS hrAJESr~S STATIONERY OFFICE,

To be purchosodthroughen~’flook.elleror directly fromhIM. STATIONERY Ub’FICI~ at the followl~~eidre,n~’~~

(orEILI~LIIOIJIE, KlNosw,&y I,oNDOw, WC. 2, endIS, AItI n~IDO2SrRcCr,LONI~0S.~.W.32, I’ErpR STOPET,LIIA~c’vir’~rIco lMr, A’cBnp,w’s CJtE’c~a3I’.CACDIFP

or 23, FoIviit STREET, EDINUUROU.

1923.G.D. 50. Price Ud. Net.

CONTENTS.

PAGE

GeneralInStructionS ... ... ... ... ... 3

Chapter 1.—GeneralDuties ... ... ... ... 5

II.—Gun Drill ... ... ... ... ... 22

IIr.—Layirig Tests ... ... ... ... soIV.—Siglit Tests... ... .•. ... ...

V.—Careof Equipment ... .:. ... 61

Appendi~—\Ycightsand Dimensionsof Loads ... 78

-. GENERAL INSTRUCTIONS.

~ Practical instruction in tile (quipnlent should ho given to

eachrecruit beforeany attempt is madeto instruct him inguts drill. In teachingthe duties of each man at the gull.

U the instructor sliohikI try to impart the instruction byL reasollingrather than by a long explanation iii words. By0 meansof questionsbe should try to draw from tile I’t’CI’llit

~ tile Collect answersas t () tile perform flllCC of Ills (lilt ICS,

beingcareful to lead tile in an’s Ilhi ml i lIt 0 the desiredcilanll(’l~ of ‘thought. Shouldthis attempt fa I, tiue nslmetor SilolIhi

give a (lenlnnstrationemphasizingthe pointst hi’ recruit hasnot grasped. Such demonstrationsshoul(l deal with the

~ work of each man in tile detaclunlellt ; and nil l~Cl1 utuh’rinstrllction siloold, in turn, carry out tile work of e’aeli par-ticular Illali.

Instruction in gun drill Siloui(i begin assoon as tue lnen,aroconversantwith all parts of the equiplllent, andcan handleintile bestand quickest mannereachof tile working partsof thegun. Once tile work of each man ilas beets thoroughlymastered, it shouldnot take long for tile recruit to learn tileactual drill.

It is most important that a inarkcd distinction should bedrawn betweeninstruction and drill.

During the former the languageusedsilould beassimple as

possible, and the meaning of all technical terms which arenecessarymustbecarefullyexplained. Aconversationaltoneshouldbeadoptedandunderno circumstnnceswhatcver8110111(1

4

aflytiling in thenatureof long quotationsfrom drill booksbeallowed. Tile nien should be permitted to assumean easyattitude and their interest should not be allowed -to flag.They shouldbeencouragedto askquestions.

At thrill, on the contrary, rigid discipline mrnist be main-tained,ordersmust beclear and decisiveanti the detacilments

iimade to work steadily,smartly andrapidly. At thesametimetheutnsostaccuracyis essentialand anydeviationsfrom tile

methodslaid down imist at once ho checked.

Nomenclature oi Loads.

The equipmellt is divided into three loadswhich are called

by the following names:—

Load. Drill book name.

Carriage bed. Bed.

Carriage body with cradle. Carriage.

IIow-itzer. Gills.

CI-IAPTER I —GENERAL J)UTIES

This chapter sulnnsarizesI he duties of the section com-

manderand eachmanin tile detachment. It is only intended

c as a guideto the instructor, who silould use his own wordsin explainingtime variousdutiesto the nsen.

‘Tlie dctachiumcnt is composed of fourteen men. ‘I’Ileser~-icoof thegun is divided betweenthem asfollows

I . .. . .. .. . - . . in cousnsaiud.

3 and 4 ... ... ... tile sights.2 and 5 .. - .. ... the breech.6 and14 ... ... ... tile cartridges.

I and7 . . . . - . . . - the loaui 1mg d(’I’rid’k.B ... . . . . . . . . . hut’ I OlIding gear.9, 10, 11, 12 and 13 ... t 1W shill.

On coming into action all small stores,not actually requiredfor each round, will be placed iii a convenient position

normally on tile right of tile gumli.‘file duties of time section comninallder fOld each maim ale tiM

follows

DUTIES OF SECTION COMMANDER.

NOTE.—On service it maynot allays bepossiblefor see/ioncommanders to be with their sectionsin ac/ion, and it P1a!J beinadvisableto withdrawa No. I from lu.s gun to act as section

U

c’,nioiqmider. In this case sue/i of thefollozeinqduties as effectboth guns ui/I be pemjorinedby the G.P.O. (gum position officer),ctndsite/i as affectindi,’idueul gunsby time Nos. I.

1. lIe (‘OMi\IAM)S his section and is responsddefom’the serviceability of its EQUIPMENT and tile corlectlless

of its l~ ILL

2. lIe ~lt1C(’Mililliself whicm’e he can best seeand hear theor (~.P.O., 011(1 still only move about \vlleli luect’ssarv fom’

lie Sil p(’l’ViMiOll of lu is sectiOll. Iti 0151111IV circ’u nistant’eSheshould be on the flank of ilis section miearcst tile commandpost.

3. lEe will acknowledgeordersfrom tile consiumandpost byS~Iii; t ilIg with tilt’ haruti i~earest the G.P.O., iinisilizlg with tileimaiud vel’tiCiuilV above tile head.

lIe only passesOE1)EIIS when lie seesthat ilis NOS. I ortile neigluhoui’iig section commander ilave failed to acknow--ledge.

4. He supervisestile TESTING andADJUSTMENT uf tilesimzluts of ilis section.

5. lIe keeps a RECOiL) of the MUZZLE VELOCiTY,i)ltO( )P andJUMP of his guns,andalsoof their ZEii() LINEltEAl)IXGS to time AUXILIARY AIMING l’O[NT (111(1ltA’l’TERY PICKET, He will not keepany recordof orders(Iii iii ug a slloot -

6. I-he reports the CRESTANGLES to the G.P.O. whenorderedto do so.

7. He is BESI’OXSIBLE that, before lire is opened on anytarget, Ills gunsarelavedits the I)IRECTIOX O1IDEItEI).

7

This is best (lone hot by inspection of the sights, but bycolnparillg theline of his two guns alid tile flank gumims of timent’ighbourimug sectionsby looking alongtile line of eachwithl’cferelle’e to so~uie(histallt object eitiler il( front or rear.

~. lie CONTROLS lin~section iii action.This control is bestcarried out by watching and listening

I’mltiler tilall by iuez~ooaiinspectionof sights, &C., e.g., asregardsdeflection corl’ections, obsers-ation of which hand isusedby 3 will ensure deflections being put on in the correctdirect ion. As regardscievation, cullliuarisoll of tile eles-ationscalledout will exposeany considerable error.

9. W’imen los section is RANG I NC, if one gun miss-fires,h(still fire BOTh ELEVATIONS from time other gun, tuelliLdier elevation first.

10. At BATTERY FIRE lie will report to theC.1’.O. sulien0110 of ills ~UIl5 MISSES iTS TURN.

11. He will REPORT to the G.P.O. when eitiier of hisgunsgoesOUT OF ACTION or wilelm lie lilmds that alt ERRORhas been made which is likely to has-c AFFECTED TIlEShOOTING.

DUTIES OF 1.1. lIe COMMANDS andis respomisiblefor time entireservice

of ImLs gu~ni.

2. lIe gi’.-es time WORDS OF COMMANI) detailed for lIonin ChapterII, ahllI repeatsall OJII)EIIS atlectillg his detach.ment which imave not heehm heardl)~time 111011 Cotlcelhled. Illsordersmustbe givenclearly,hilt no louder timan is necessaryto enablehis detachmentto hear.

8

He assistsin passingorders(loss-Isthe battery svhlenneces.sal’s’.

lIe ackmsowledgesall ordersby sahmting. lie wmli salutewith the hand nearestthe G.P.O., finishing with time handvertically abovetheImead.

3. lIe is respollsible:—

(I) That the BUFFER is properly filled, that there isiso leakageat time stufling box, that file butler isfirmly nutted imp to the lug of time gun, and thepistoim rod to time front of tile cradle.

(ii) That time IIECUPERATOR is correctly eilargedwith liquid anti air, timat thereis iso leakageat thestufling boxes and giusnds, and thlat the ram issecured to time crossimead of time gmmlm. He seesthat time tail rod indicator readsbetween0 andS pints.

(iii) That time ACTUATING GEAR of time i~stolm rodis properly assembled.

(iv) That the SIGHTS mire tested. This is ilone underthe supel’s-isiomiof the sectioncommander.

4. At preparationfor action, when time gun is mounted lieprocurestise ADAPTER, PRESSUREGAUGE, huller amm(lrecuperatorSI’ANNEIIS and gun CORRECTION BOARD.

5. He ascertailms,when ordered,time CRESTANGLE, andreportsit to thesectioncommander.

6. lIe selectstime auxiliary aililillg point andrecordson theslatetime ZEROLINE ammglesfrom theauxiliary aiming pointanti battery picket. Tile auxiliary aiming poinst and batterypicket mmsust not beon themight of time gun ; timebestpositionis about60 degreesright or 120 degreesleft of time zeroline.

7. i In Oce,’lsinlIilhlS’ (‘xalmlles tile settingsof the ELE\’A.

TION INI)R’A’h’Olt 011(1 l)1AL SI( LIT.

8.-Hi) lie apphins—(a) Tile (fiN CORRECTION, except sviien laying by

field (or large) chinonieter.(h) ‘Flu’ POSITION COIUtEC’I’IOX Wili(’hl, if required,

is onheredin tilt’ fom’ns :—

POSI’I’ION COIl IIECTION. No 1)1115 (ornuillus) hllillS.’’—-—--

and is a1

uphed to all des-ations ordered, butt iseanueelhedwhmen a fresh target is ordered.

(c) Corm-ec’tionis dunng tile for effect, whuclm are orderedill theform

No add (or (I roil) inins.’’These are cancelled when a fresh elevation isordered.

(ii) Wilds laying by field (or large) chinometer,lie appliestile iNDEX CORRECTION (if atmy) of his clinometer, mind

passescorrectedelevation to 4.9. lIe supervisestile l)reh)aration anudsupply of AMMUN1.

TION. As tinld fuzesdeterioraterapidly svlmen unprotectedfrom danmp, only suchasare requmired for insllsediatousewillbe uncovered. \Viwn one group of ammunition is nearlyexpended, he reports part iculat’s of time next group to beused.

10. He sees that time caps of No. 106 fuzes have beenremoved. He supervisesLOAI)ING aisd assists7 to raisetime I)EIIII1CK. Theshellshouldberanmmnedhomevigorouslywithu It good travel. Tue SC)ullsd of the(ills-mg bamsdengagingtime rithmnmg should be distinctly heard. Irregularity jim raum-

(a 27/16)q A 2

10

mnimmg eauusu’s irregular shootilig, t’sjmet’ialh’ w-iienu t hut’ gull isw-uurn. Au iliihul-umhum’n-iv 111111nimush shell IliIu\’ slip hack 011(11 t liegunII iS elevateuI ii lluh eti lIst’ Ii I hennatIllS’.

lie seesthlat tlue collect chuargeis loaded.

11. Ho gives time ordem’ to FIRE. The gmmls will on 110account be fired Witilout Ins order. lIe/ole giving thusorderime seesthat the medhueson thebreech andbm’ecchmscresvcoincide, shlosvilmg that the breech is properly closed,mmd thatthegun is in all respectsready.

12. lie is respoissible that thle INTERVAL betweenmrounds is propei’l~’kept as regardshis own gun. When asalvoor quick rateof iuatterytire (lesstilOli S secondsinmtevval)is ordered,hue extemidshis right arm abovehis beadassoonCa’his gun is rea(ly to fim’e.

13. At intervals hue checks thmc’ LENGTh OF RECOIL.lie colmipafestime elevationgis’cn by time recoil indicatom’with -

the eicsationon time elevation insdicator.

1-I. When RAPID or PROLONGEDFIRING takesplaceime takes every opportiinmity of attending to his equipnmemst.Tiso Cilalliber, hmiushmroohis headand breechiuiock simouldcoms-stantly be spongedwith water. If tile guns is hot, the1)010simotmld be cooled with svater svhmems “ Stand easy “ isordered.

Du’i’I1~s OF 2.I. lie svorkstise BiIEECI1 MECHANISM and FIRES tile

gun. lie is responsiblefor time breech and muzzle COVERS.With 5 lie testsand auljuststue OBTURA’l’ING PAI). lieassists5,11 and12 to RAM.

11

2. At prepau’atiolsfor actionm

(i) lie stu’aps the TUBE POCKEl’ mound his waistand fills it with tubes.

(ii) lie places thin LANYARd) rounuul hiis neck amidtucks thin ends iIlto hi~belt.

(iii) lie procures the VENT BIT, RIMER, OIL CAN,hui’i’t’chm Inechilillisllu \V hi ENC’LIES anmtl S1’ON(iEC’LOT II.

3. (i) To OPEN tile BIiEECII :—lIe takes liolul of timeleverbreechnumec’Ilalmisni ss-ithuthe heft hIalid, thiunibuppernsost,and slides time hand (loWlm so as topressdowns tile catch n’etalnming, itt thin sallie tithepulling the lever to thin ream’ anti thicts ssvinmginmgit rounimul to the right asfam’ as it will go.

:~ (ii) To CLOSE time .BIIEEC’II :—~l’hin above piocetltirois reversed. ‘l’iue breech must ott no account b~slalllimsed.

~ 4. lIe assists5, II tusd 12 to RAM. The shell is i’ammcd101110 as follows :—

As soon asthin shell hasbeenbroughtinto1

uositionm huy tuederrick, 2 anid 5 steponi to the hoiuhinmg lulttfom’imi 12 hiamldstime nanlinumem’ to 2 and 5 ; 5 steadies the imead of the i’itiim~iieragainstthin baseof thin shell (at dm’ihl, against time face of thiobreeehu),and, at theordcu’ ‘‘ half way,’’ 2 and~ push theshiellforward ulut ii tim baseis 6 iiiehiu’s inisiule thefaceof the bn’eechi.

11 tmnol 12stepon to t lie loaulinug platfom’nn in near’ of 5 and2,and thefoot’ iumiiiihjen’s reachomit umnmul gras~)thin rtouulici’ uS farto the n’am’ its COliS’lli (‘nit, i nnnen’ hiatiths back up anoh outerliii ntis back (lowni, faeiI l’ t hit) tt’~)I’. I orders‘‘ Iloiuic ‘‘ tmiidtim shell is ruillinildul hioniie st-it I) f&iil mice,

(II 27, hli)Q A :i

12

5. At theorder“ READY,” hue imassestue1001)of time firingwedgeover the striker cap mmd Pulls it tosvardshiillu unitih thecap pItSSCS tIre projectionson time wedge. lie stanudson thinfiring platform facing the fm’ont. Ho holds the toggle ins imisright hand ansd grasps the centre of the lanyard withu hisleft imand.

6. At the order “ FIRE,” ime jerks time iallyam’uI snmmarthy.The gun will on no accountbefired svithmouttueorderfront I.

7. He oils and cleansthe BREECH MECHANISM wlmennecessaryduringfiring.

After eachiround lie svipes time iuead of the VENT AXIALsvithi a si-ct spongecloths.

DUTIES OF 3.1. He LAYS and is responmsiblefor the SIGhT (‘OVER.

lie directs 4 whmeii plalitilig AIMING I’OSTS. lie assistsIto test time SIGHTS.

2. At preparationsfor action lie imlaces tim No. 7 1)IALSIUbIT anmd carrierin time bracket-.

3. (i) lie lays for line. At l)IIIECT LAYING ire alsolaysfor ELEVATION. lie lays for line onm tile heftedgeof tue ainlumg j)oint unshessotherwiseom’ulered.

(ii) At INDIRECT LAYING with ELEVATION INI)l-CATOR, hie setsthedial sigimtat tIme angleordered.As scott as4 hasbroumghit t hmt’ lonngituuii mmI h

01Ii h)it)

approximately cenmtrai lie lays roughly for lila.lie cross-levelstime sight almd lays accuratelyforlinme. He reports ‘‘ Set.”

(iii) At INI)IREU1’ LAYING svithu l”h ELI) (on’ large)CLINOMETER lIe setsthedial sighit mid clevatioii

13

indicatorat time anglesordered. Undertheordersof 4 lie elevatesansddepressesuntil the bubbleofthefield chinometeris approximatelycentral.

lie laysroughly for line, lIe cross-levelsthesightmimI lays aeeuiratclyfor line, lie reports “ Setusual mIlder ordersfrommm 4 depressesuntil time bubbloof tim field chinonseteris cemitral.

(is’) At I)IRECT LAYING lie sets the opensight at tIredeflection ordered, lie hays roungirhy Ofl thetarget. After 4 has i’ejmorted ‘‘ Set,’’ 110 cross-levels tire sight and lays accmmratelyfor line andelcvationm. lie reports “ Ready.”

4. (i) W’hucn setting time dial sight buy meansof time QUICKRELEASE hue nmsovesthemicronseterheadthrougumone commtphete turnm to enssulrethiumt the teeth havere-eiugagemlcorrectly.

(ii) \\‘henm SETTING a rigimt deflections oh time dial sigimtlie tnmrum~tue i’ight nmicronneterhmeaul away froiimIrim svith his right hand; st’iiens setting a leftdeflection luo turns thuo left nmicromneter headtowmurmlshiinimself si-itir Iris heft haniul.

(iii) \Viien REAI)ING a heft almgieon the dial plate iiereuids the iii umuites off the left micrometerscalewiicmm readinga righit angle hie readstime minutesnfl t lie right micrometerscale.

(iv) \m

,’iieni LAYING for LINE lie turns the toj) of- tiretraversingiuuumd-ss’hueelto theleft last.

S. At CHANGE TARGET if tim anmgle is givenas “Morerighrt (or left),’’ lie turnms the nlicrnnlmeter head of tue thiiulsight thvoulghm time anglo ordered, if tIme angle is given fromzero hinme, ime sets time dial sightat thie recordedzero line anighe

11

anal tlucim tunis the iumicronmcteu’ imeadof time dial sight tlmroughmhut’ augh’ orht’m’t’ I.

6, CR05511h~\h)Slire f’ittt’d to ainssimug posts to coal-

1)(’rus,ste foz’ iatu’nii movt’nmm(’Imt tif thesighut. hiotim crossheachs

have smu lam’ nmuarki nmgs anti innnmubers. lie noteswhi icil corre—spoiuuhmig 11111’ of ii am rki lugs are in I inc aiuh mIsc’s thit’nm to las’tutu’ ile h irects 4 to clamIll) thut’ erosshmea)ishow (lOsVll , so t hiumttiut’ l~Ittomlu of thue far tune is just visible oven’ t lie toll of thin111111’ 0111’,

7. ‘Thin foiloss lug are the sigimals uscul by 3 svhit’n directinig4 to plalit ainimiuig posts

SIC YAL. MEANING.ili,~lìt arm extu’nuuhedto the m’ighut em’ Move in time directiolu

left uiroi extendedto tIn’ heft. inuthicated.Am’umi thr-op1ut’d.- . ... . . . . . . halt.lb It hi ar~ns(I ru)ppt’d shuan’plv feelii Pianmt.

above thu’ head.F

1uwarul ni (li)w IuwantI 111(11lOll of liaise em’ loss-er t lietilt’ arnuis svit Ii I lothi~tumuus extenided ernsshueauh.i,ut cia his’.

ilothu arm’) (‘Xtuul(hCtl 8ISIV(’ tIn’ i\huvu’ hit’aul (If P°~111)1(1 1111(1 uuloi(’ul halu’r:uhi~’ iii tiu.u’ ill tiiu’ Ihiru’(tioniruujuuiit’ul threctlt’Ii, iliuhiu’ateui.

lkt hr arms t’xt (‘ni(lc’( h shotlilly isp— I ‘ick tip.sviuI-ti’),

Bct ii allis t’xI ti ithtsI to Ihit’ frtn It (I) r Move to phunit t lienutuz’). fuum’ ailunnigpost

Body turliell a),I)iit 01111 lIot hi lulois ( ‘~init’ in.(‘Xt(IIdt(h I’’ the 10111’ ((Il’ bothIi mill (A hIlt lu-Il to t hut’ fronit).

15

l)ij’i’ii~ OI~ 4.1. lEe LAYS whir 3 uuimul pitunits AIM 1 Nt POSTS. Iltt

assistsI to test-thin SIC IITS.

2, At iunt’panahiolufuui’ aeli,uo hue iuh~uu’~flit’ _-~l)hINGI’OS’I’Sssith t’ris~hut’aulsuhtuiiuped. oIl thin nglut (If flit’ u’tuiiltiLll’,

t)llt’ ~‘anl eltar, imt’auls to thu fr,uiut. uuniuh 1105’) a I’l ELI) (~~rian’gt’) C1ANOMETEIi (uvu’n his right shu,uuihul,n’.

\Vhien ~ulanm(inigusuoiilug 111151’) lue iuuihuhs t iuu’ post wit ii flu,’umrzur benut uinmd elhu,st’ migaimust thin siuhe uit a’ c,IluVl’luiu’lit ia’i hutso that it iiuinigs ventitalic st-it Ii tiuu’ poilut jiust clear of till’

gnsuinnmd. tIn nnos’es flu flu,’ nigiut or lift is (hills-tell liv 3unitih signahiu’uh tui ‘‘ I,’laiut.’’ svhut’lm hu,’ uilh,iis flit’ I’’’’)~ to ‘)~‘l~thiruuughi thue fiiigen’s until the’

1u,uillt foui,’huis thut’ glsululud,

him’ I lien eomiihulete’) flit’ iulauut hug.

3—(i) hit’ hays f,un’ ELE\’A’l’ION exee~ut-tut i)l1~h’C’l’LAY I NC.

(ii) At- lNl)IIIEC’I’ LAYING with ELEVA’h’lt)N lNi)I-CATOII- hit’ st’ts flit’ (‘It’Vat i,,ni iuuhiu’tutun uut tho aniglu’ nmuh,’n’ei I.He (‘les’aIeS thtt’ gunk unit ii thin l,uogit inuhinuaI huihui,l,’ linus tuuthin fn’onmt. lie ht’pn’esst’s flit’ gull unit ii hut’ huihhht’ is iuu’arivins the censten of its run. As soon as 3 ru’ mIt s ‘ Set ‘‘ hut’depressesthe giln Innrtil till’ loiigituithiiial h,unlul,it’ is (elutral,He reports ‘‘ Reaulv.’’

(iii) At. INI)IIIECT LAYING with I’1 ELI) (tsr large)CLI NOMETER, lie sets the field c’hinmonuetem at the elevationnrderu’d by I and placesit (ill I lit’ ui i liuuliuu’t or ~ihtiiuu’, lborden’s3 to elevatet in’ gumnm unit il the holuhult’ (if thin fithu I elin,, -

meten’ ruins to thic’ fmclit luntl to ii’iun’ess thin ~uini inut ml t !uu’bunl.uble is lieLirlV mr tIme ct’nmtru’ tuf its run. A so-in ms 3 elI I rh

16

‘‘Set’’ lie nm-dens hinni to depi’ess tIme gulls umnmtil tIle l,uihul>iu’of tim field chinonnmcten’is ceirtn~sl. lie reports ‘‘ hlt’auhv.’’

(iv) At l)IRECT LAYING lie sets tim (‘heyatit)ni ini,hiu’atorat tile eles-ation om’ulered. lie reports “

4.—(i) \~‘hensusing thue field (or large) CLINOMETEEt iii’seestimat time clinsonmeterplaneamid time baseof thechillomnIt’tt’rare free fronm grit or dirt, and that thechinuommuetc’r is placedexactly oil the positioning nsarks of tue plane for eachu lay.

(ii) \Vlmeni SETTING time ELEVATION INDICATOR inctumrnmsthe top of the eles-atiommindicator hianicl-sviieel towardshimself last to takeup backlash.

(iii) When LAYING lie depresseslast (top of the hlamsd-wimeel towardstime mnuizzle) ivithi at- it’ast tsvo eonmlplctn turlmsof thehiandss’heel. If tire binbbheof time ehinonzmeterover-rimstime centrelie rapidly gives tue elevatingwheel two eonnplctntumrnss of elevation followed by onse amid a-half tuirns of depres-sionm before completing time lay.

DUTIEs OF 5.1. lie is responsiblefor time BREECH and CHAMBER,

arid assists2 to test and adjust the OBTURATING PAD.He assists2, II and12 to RAM.

2. At pm’eparation for action Ile places TALLOW andWASTE in a convenient position ansd time RAMMER, onmeyard to theright of time loaclinsgpiatformms, imead in~linme withtire front edge.

3. He receives CARTRIDGES front 6 and loads timeimi.lie placestime cartridge in the chamberso that time igniterfaces the vent and is just clear of the nmusluroommihead. If

- 17

time cam’tridge is thirown to time fronst of time ehuanih,er,eit-hrerby 5 or by time closing of tue breech screw, a miss-firemayocculr.

DUTIES OF 6.I. lie is responsiblefor time supply of CARTRIDGES.

2. At preparation for action, imo procures a SCREW.I)RIVER or KEY, METAL LINE]) CASE.

3. }ie, assistedby 14, seestimat CARTRIDGESare:—

(i) SORTED by nature of propehlanstand “group”nunnmsber.

(ii) STORE!) in cylindersor boxesanmd protectedfromextremesof tenmperaturnanlml from danimp.

(iii) PREPAREDcorrectly ; all sectionmsbearinga highernunsbcrthanthechargeorderedareremoved.

(iv) ISSIJEJ)from time groupordered.

4. Whmen one gromn~)of cartridgesis nearly expended,110REI’ORTS to I time particinlarsof thme mmext group.

5. Ho carries CARTRIDGES to thmo gun. lie 1101(18 thecartritlgo with the chargemnnmmber upwardsfor I to eimeek,huumt in wet weathierhme nmmtmst 1dec11 the igniter dry. After Ihams checkedtimo cimarge,ho handstime cartxitlgo to 5, igniterto tile left.

DUTIES OF 7. -

1. lie attendsto the DERRICK.

2. At prt’panmitioit for action ho iuiuuces time \\IN(l II lAN!) LE in position amid exmmnmdumcs and lubricates timeDERRICK.

is -

3. lIe, i~si~tcilby I, svorksthe DERRICK, 7 working umfront uuimul 1 ill rear of tue huandle. As soon as tb loadmnugray is iii positiomm onu thin loatlinmg idatforum, 7 iOWd’l’8 thin

chum-rickunitut hechills (Ii ii hit’ elugagt-u1. At thue order‘‘ Raisefltilli I, I ui 1111 7 maise hi it’ slit-Il i nuto I lie loadinug position,workimug shiaslv him’ I in’ Ii n’st hsvo In Inns tuf t iut’ st-inut-hi hianmuhie.7 hitiltls liii- wiuu-h iuaiutlle svhuht’ thut’ shut-il is nanmmnuit-d hionmit’.,\ flu-c i-tumuu muhug hut’ loiters t hue tlerrit-k fom’ thue loathimmg traytl, hit’ renuos-eul tuuul thu-mu raises it thinough lull angle of 30

u ht-t.~ri-u-s.

Du’rIEs OF 8.I, lIe attciitls to the hA)ADI NC GEAR.

2. At prt’1

uartution for actionm hit’ pm’ocmmrcs a McMahuoiuSPANNEII.

:t.———(i) To hin-iiug thut’ guuli to thin LOADING POSITION hut’1-1-lu-asestIlt’ lotk 1mg pint 1 iy deluressing I hit’ lut’thuii wit im hris It-ftfotit - amud chc’pms-s~~sst hit’ glum h,t- iiic’aims of I lie hottthinu~gear’ha!ud-Whueel.

(ii) To hirinug the giini to time FIllING POSITION lieIl’nllilVe’) huis fuiot mmii thin iuetlal and c-It-s-alt’s tIme gull b~-~ 1011’) of thue lo~utlilug gem- 1 III nil -whucci ullit ii t hut’ mint of timeuuc t uitmt hug nod! c-licks honmu c’. simowilig that tire kit-king pin has(‘I ugiigeth_

(iii) \\‘Iuens elcvat jug or dt-~Imt’ssimigby mi-ohs of the LOAD-ING GEAR llANh)-\\’IIEEL lie must take etmre to brinmg thegum~ito rest gelitly.

-I, \\‘iuile thul- glum is hieing IA),\l)EI) hue letlulis timt’ guni inti’ liuthillg po~ihiouuliv hioluhinig the loathlug gear 11(11(1.

1)UT1ES (IF 9.1. lie ~ SIiE LL, anal with 10, 11 uuuutl 12 carnh-s

threius to the gino.

2. At pn’cparation fuut- umet iuunu hit’ ,uits a l~LTZ E K IlY irmt o his

pocket.3. lIe assists10 Itt u-enuovelIme SII ELL lhEAIlhihi-.

1) JTIES OF JO.

I. lie preparesShELL anudw-itii 9, 11 anuui 12 comics till-nilto time guilt.

2, At-preparatiommfor umctionihueimhac’estime SI! ELL BEAR ERwithi thit’ simell. -

3. He assists9 to renmuovetiuc- SIIELL itEAll ER.

DUTIES OP 11.I. lie preparesSIlB L L ansdwhim 9, 10 aini 12 carniesthil’imi

to the gun, lie assists2, 5 atutl 12 It) RAM.

2. At preparationsfor actinum hie ptmtsa I’tTZhi KEY iuuto iui~pocket and pluicesa LOAI)ING TRAY svit hi tiuc’ slut-Il.

3. lie UNCAPS FUZES. Oui ru-nluosiuug tIme cap of aNo. 106 fmu-ze lie seesthat the tauue is corn-thy wouniith aiuctthat tim enidsof tueshiearinmgsvire art’ sisilulu’.

If a No. 106 furze hasbeconmie unlut’apiuccl or I lie svire ansdseal is found to be bm’ohcenu, tin’ fuize is to be regiurched asdangerousaisd treatedaceorcliimgly.

4~After loading hue remmioves time LOA1)ING TRAY.

21)

DITTIES OF 12.1. lie prepares SHELL ammul with 9, 10 and 11 carries

thuemms to the gun. lie assists2, 5 anud 11 to 1U\,\I.

2. At preparationfor actionsham placesa LOADING TRAYwith time shidll.

3. lIe handstheRAMMER to 2 anti 5 anti replacesit afterraiminninmg.

DUTIES OF 13. -

1. lie is responssiblefor the pmeparumtillni anal sunluiulv (IfTUBES andSHELL.

2. At preparation for action

(i) lie putsa FUZE KEY into his pocket.

(ii) He procuresa BRUSH, hAMMER anltl FILE.3. He seesthat SHELL are:—

(i) Scrupulously CLEAN, especially the dnivinmg bands.- Brushesanti ss’atcrshmoulcl beusedif necessary.

(ii) SORTED iiito groupsby nature,dnis-ing baudanalweighmt.

(iii) STORED standingup on cleanphanmks.(iv) FUZED as orderedand protectedfronml tlanmip.(v) ISSUED from time group ordered.

4. Whenusing No. 106fmnzes :—

(i) He BREAKS thewire andsealon issiningtire rounmd.Wimen a specified imunmber of rounnids hiave becuiordered, that isummiber onmly will be pm’epared.Whenpreparingammunitionswith No. 106 FUZEno safetycap is to beremmiovedor time st-ire or seal

21

broken until time round is about,to be lomuleml.If it No. 106 fumze has beconmme inneappc-d or thinst-ire miii st-al is fommnul hi) hue broken, thin fuze isto be i-t-garthed as damigerousanud treatedaccord.insglv.

(ii) hie will pcmt omm onto sub shell svihhm hummed dnivinmgbanuds, ansd witim wire or seal of No. 106 fmizobroken, n’e~uontinugparticulars to 1. When oppor.tiunmity offers thin burrs ss-ill be rennos’ed unnclerimmultruuctions fronmi 1.

5. Whmems onme group of slmu-ih is iueariy expended,ho RE— -

PORTSto I time particularsof tire nmext group.

6. Bc-foreREPLACING shell iii tue svagon or lorry(i) 1I.E. such, except timoso fmnzed witim No. lOGE funze

will beunifumzed.(ii) A shell fumzecl wilhm No. 106 fmnze svithm wire or seal

broken is ons no account- to be rephumcedin hinthierwagon or lorry.

- DUTIES OF 14.I. lie is time COVERER amlcl is SECOND IN COMMANI)

of time detachnmnent.

2. Iii actionhmo asSlsts6 to pm’eputrecartridges. -

0’)

CI-IAPTER II.---—UUN 1)It ILL.Artillery Ti-ainminmg haysdoss-nmthe principlesof Itattc-n-v tactics,

svhichr s’an-y hittle with differcnst equmipnnermts. This C hiaptem’details tue orden’s gb-en anud tIme luroccclumn-e by srhiic-h theseordersare canmied ount- in bustteliesuurnmeci srithu thut’ 9 •2.inchihowitzer.

The pn’occclin ru noumst h ~enmmenmmuni-,t-danmcl stmictlv oil lit-red to.Time executiveoi’der is shosvn tiru-oughioimt as hieing given

lt~’thesectionsconmsnsandeu’,assvilh nornnahiyhue thu- easedumninugtramming. \\‘hien ordnscams be hueartl throiugimoumt thin hiattervthey will be actedimpon svithoint repetitions. Instrunctorsstillinvariably climploy time oudeis detailed for thic Scetioll conm-nsan~ber,es-eli svhien dn-ihhinmg a singlecletachunument.

~- POSITIONS AT DETACHMENT REAR.

Time delaehmnienstfalls mm tsvo deep, ~nc pacebctweenmranilus,I on time righmt and14 011 tue heft of time fromit m’aimk. I anmcl 14art, not covered.

When the gun is linubcredimlu, hue fu-ont rank is tlurce pacesin rear of time carmiage,I covering hueofl sm-hut-el,

Wheni time gun is ins actiomm, time front raimk is one pace inrearof the loading platform, I covemingtime niglut tmmnnnuionm.

2. TO TELL OFF.

Sectioncommander.

section—Telloff.”1. nunsbershimself I’, time right handman of tile rear ranhc

2, his front i’ank man3, andsoon.

23

3. TO CHANGE ROUND.

Sectiomscomumnmiander.sectton—ClnmngcroiuniL’’

I takesa paceto time i-car with his right- foot and a pacetothe left svitim bus bc-ft. The left hand uuianu of time ream’ rankmakesa juaceto the heft witim his k-ft foot anmd a ~ to thefuont svithm imis right. At thin sanuehiumse the remumahuderof tirefm-out ruinsk take a pace to tue i-ighmt amid time nearmank a paceto hueleft.

(Time mletachuumc’nutis thicnm againm told oil.)

4. TO EXAMINE EQUIPMENT.

Exanimiuuatbunt of c-t1

uI p1 uuc-imt st-ill hue tarrit-cI out I lu-holeIu’as-immg t lie gunnm 1)1mb. \‘,luu-um in actkuur t his huot-i’uiturt shutnihulbe tan-neilomit uut least limit-n mm u-very 24 iutiumns, uunud uudt-uuuuturgushmom id be tuskeut of aliv lit tmsal tO cxumimu lime mob ttst euJuniJl~

asm’uit.St-ction ctiummumuaim~hen’.

sec!miu—Ex’wtInc c-luijwuiut.’’ -

l-~aclr~nan chic-cbshuis shires,ri~hlc~st-ction toniI umuaritl i’r suit il’rvisl’) tlu i’ ti-sthug of sighitt

mud gm-omnpimug of uinunmiuinuitmu.I st—es that- liii’ huori’ is c-Ic-ui’, t haul I lii’ hiuulit-n’ utnmul rc’clihul’ruuton’

uim-( conuecthy ii Itt-il anal dunrgu-il amI t litt t lit-n-u’ is nun leakuigefroimi t hue glani Is.

If thin guunm it ummouuumleil. hut’ si-es thi~tthin gulul, iuunth’er uiiudrccuipt’m-atom’ an-i’ prtii~cniyc-ouiumu-i’ted ill> uinuih I lie t’uut—uilI gum’in uttijuustnnt’iut. lie tests uuuuih uoijursts tIll’ sights. -

lie gi’nui’n-umhly sunuuu-ni-i.—i-s I huu’ it-orb of thin mnmuuainuh,’n’ llf thind it au-huiiit’m it, satisfyi hg hiuuusi’lf t lout ~i are u eunta an’ts in! i-u-

24

ehiauugt’abhc’,snnall slcres conimplete anal thecquuijunmst’nmt mm uillrespectsneatly for action.

2 renmovesand replacesbreechu and mnmmzzhe cowers, liecxuumunlestime breccim mechanisuusand withu 5 tests anti adjuststhe obtmnratimug pad. lie examiiuestue firiumg Iansyamd andfiring tubes.

3 removc’s anmdreplacesthe sigiut cover, lie exanmminuestiu~dial anal opeim sights, appanatmusilluunminatinmg sights, cross-levellimmg amid traversing gears. 1-ic assistsI to test anuciadjust tire sighmtsw’huen in action.

4 examsiinestime aiming posts,elevation indicator, lomigitu-dinal bmmbbhe, field (or large) chimsometer anmil (‘iesatiflggear. lie assistsI to test and adjust the sigbuts svhmemu inactiou.

5 exannilles the breech and chiuunmber. lie assists2 svithmtime obtuuratinugpad.

6 and14 exanmiinmeamid grotuptime cartridges.7, 8, 9, 10, II, 12 ansd13 exannimic andcleanshell. Thmt’y

grounpsimell and fuzesas orderedluy thesectionconirnmmaimiler.\\‘henm in action7 examinestime derrick amid 8 time loading

gear.As soonsas time exanumimmationis conmqulctedtime detacinnmueiit

forumm detaehumenmtrear.I collects reports ansd reports to time sectitunu eonuunimaniderNo....readyfor action“ or otherwise.

5. TO LAY THE HOLDFAST PLATFORM.

Time platform is laid by two detaclunsemitsumider time simper-vision of time sectionscoummnsandcu’.

Time phatlonimm is broungbmtup 011 hum-rica amid hailed mu rearoftime position.

25

Time following storesarebroughtup :—

The waterproofcoveror tarpaulin is laid out clear of theposition anti storesare arranugedon it.

The sectioneonnnsanderlaysout tue centreline of theputt.f~rnsandtracest-bmo trenmchmes.

Tue trenchesam’o dug to the m’cuiuired depth and levelledin all dircetiorms ; tIres’ shioultl be kept uus closely as possibleto the cliunpnsionstraced.

Thin platfornn is mnnioadedfroums time hori-ics. It consistsofthe followinmg pamts:—

2 diagomsalbeamuis(riglmt mid left). S peg~secimu-ingbeul.2 longitudinalbeams(right and left). 4 hmoldinsgdownm hiohts.1 crossbeanmm. 2 svhueciguides,1 skid, crossbeausm. (ranmmps gn’osnnid).2 tie rods(one lommg andoneshmon’t). 5 bolts,vam’ioumuc.15 planks.NoT11~._Tilemolesmu (hits Ionmgit tuib in iuul~hueamuss fon’ tiro 111)111inmg

downboltsnmiust l)estt~ppetIunpsvihhm oily wasteto preventinsudfrom getting mt.

i)irectorTape,100feetField levelAiming postsDragropes,imeavy,hairs

liandsimikesPlanks,10 feetRollers, 3-ft. by 6-mm.Waterproof cover, or

tarpaulins

Tracing tape.

1 Picks .., .., ... 6I Shovels ... ,.. 61 Spades... ... ... 6

3 Ramumsers,eauthu ... 42 Maul ... ... ... I

6 llamnmier ... ... I

2 Crossrban’s ... ... 22 Spansncr,MacMahuons(or

midjmmstahuhe) 1

1 Lumshuing,1~inschr.Minem’uul jelly amuti waste. -

(n 27/16)Q It I

26

The bolts secuninsgaro put into position in time diagonalbcanss,and the beamsare losvered into their trenchesandsecuu’cdtogetherat time front end.

The skid, crossbeannis iosvcm’edinto its trenschm.Tuediagonalbeamsanti skiuharetestedfor level and position

and adjustedif necessary. Time threeanglo irons mmmst be inahignment.

Time tenloss-er planksare phaceulin their treneim iii front oftime diagonal beams.

Time crossbeam is losseredinto positionover time diagonalbeaumisanti skid, its rear face bimttimsg uig~insttime ammghe irons,amid is nutted up to theboltsof tuetliagonalbeams.

Time longitudinal beamns are loitered into their trenscluesand pinned to the cross beann; time two tie rods are con-nected.

The longitudinalbeamsandcrossbeans are testedfor leveland adjustedif necessary.

ii \) - I \ \II~~\\\II~\ II I -~ ii e- ii

ii S -,

28

The five nipper hshanksanti time pegssccmmninsgbed an-cphacedcleanomm h-lie nightfronmt of the iulatfon’nmr.

‘lIme eamthmis rannnmsedwell rommnd the oumtsideof timo beanmsflush with timeir tops.

Tue svhccl guidesare pinnedto time bed peg socketsamidtwo 10 feet planksarestunk in tue gm-oinnd iii n-ear of thecnossbeamamid ins pn-ohongationmof time svhmcehgunides.

6. TO MOUNT THE GUN. - -

Thcm gun is nsoimtedby two detachinsentsundertime super. Tvision of time scctionm connuisander. -

“A “ detachinnenmtdoesthe work of mounting anti asseimsb- -

hug the gmun amid “ B “ detachniuenttime rnovinmg of loads. - -

digginmg, &e. Even nsonmmberswork on the rigist anti oclul -

msunsmberson the left. --The guns amid musosmntingon thethee tm-aissportingcarriages

is halted ins rear of time platform, and time engino draughmt- -—

coumnectorsare unpimmned.The fohlosvinsg storesare broughtup :—

Picks ... ... 2 Levers, ratchet ... ... 3

Shovels ... ... 4 Screws,raising ... ... 3- Scotches ... ... 8 Raisingjacks and tommies 2

Waterproof cover or Winch hiandles ... ... 4tarpaumlium... - ... 1 Bolts,securxngcarriagobody

Ilammmsers,earthm 2 to rearroller path ... 4

Crowbars ... 2 Holding downbolts ... 4

Handspikes ... 2 Rampingpieces ... ... 3

1~Iaul ... ... 1 Monkeysandbars(Drivers,Hammer, imide-faced I peg, 3~-in., 24 ins. lonmg)... 2

class, Broom, bass ... .,. 132-oz. 1 Oil can ~.. ... ...

Dragropes,heavy, Spanners,various.- pairs 2 Mineral jelly and waste.

29

Tire ss-aterproofc-os-er or tarpamihinsis laid otut on time right.of time platform arid the storesau-c arransgedon it.

The bed.“ B “ dotachnmiemit remove the eartim box, platforms and

derrick fronis time top of the bed and placethienri clear on tirenighmt front of time imlatforrn.

~ “A” detachmentfix dragropcsamsd haulthe bedimmto posi-tion overthe platfornn.

~.‘ Wiuens it is in posutionthe nunsberstake post asfollows :—

ii I and14 attenmdto time holding downbolts.- 2 mmd 4 at time right front raisingscrew.

~- 3 and5 at time left frenst raisingscresv. -

- 6 anid7 at time rearraisingscrew.~ 8,9,10 and11 at time hock of tire tn-amssportinglinmiber.

~, 12 and13 apply two hmandspikesto tile lockinmg platefronrm‘l’tire frommt and assistiii holding cup time lock.

I and14 renniove the svaste fronts the iroles in tire lonmgi.~ ,tudinai beanmms. -

~‘ 2, 3, 4, 5, 6 anmd 7 fix tire liftinrg scresvs anal m-mitchmetlevers,take time weight of the bed anud rennovothe lockingpins.

8 shifts thelever steeringpin to the“Rigid” position.2,3,4,5,6 amid7 lower tire bedevenly onsto thebeanurs.I amid 14 screw up time holding down bolts. -

2, 3, 4, 5, 6 and 7 disconnect amid renmmove tire raisingscrewsandratchetlevers.

10 antI II fold backthewings of thetraversingarc.8 and 9 removethe travelling crossireadarid replace time

mmut.B ‘‘ detachnmrenutremove time whet-Is, oihml nrunnrmbt’n’s the

front wheels,evemi niunnberstime ueutr ss-hieels,

30

The carriage.

Both detachmentshaul the carriage into position over tuebed.

“A “detachmenttakepostasfollows :—

I supervisingtue jacks.2 antI 4 at theright jack.3 ahd 5 at theleft jack.6 and12 at theright raisingsc-rosy.7 anti 13 at the left raisingscrew.8, 9, 10 and11 at thelock of time tranisportinglimber.14 supervising theraisingscrews.

“B” detachmenthmaui thegun in rear of thecarriage.2, 3, 4 and5 placethe jacks under the frouit endof tue

carriageand taketheweight.8 shiftstheleversteeringpin to the “Rigid” position.6, 7, 12 and 13 fix the ratchet levers, taketheweight

and removetheaxle bracketscrews.I opemmstueaxle bracketsanudremovesthuo nut of thesss-ivei

bolt ; odd numuibersof ‘‘ B ‘‘ detachmniuenmtremovethe si-heelsamid axle.

As sooni as the wheelsand axle are clear tue earthbox iserectedamid filled by “B” detachment.

Time cacriagois loweredevenly by meansof the jacks amidlifting screws.

I nutsup theboltssecurinigcarriagebody to pivot block.14 screwsup the bolts securing carriage body to rear

roller path.2 and 3 removethe jacks; 12 and13 removethe ratchet

levers.-4 connectsthe foot leverof time loading gear to time bed.

31

5 imnhocks the travelling lock of tue pivot bloc-It and fixes

the rear laying platform.6 smnpinstime link connectingcradle.7 engagestluo pinion of tine traversingrack.Es-ens muumumibeu-s of “ B “ detaehunrmemmtrenmmove time rear

isluet-ls.- The gun.

B “ detaciunsenstdrive in tire pegssecuringbed andplaceins positions time five upperplanks. They continsuefilling theemmrtim box aird pile tilled sanmd bags onm top of time uiuperplammks.

4 mmd5 of “A” detaclummsenmtremmmovctheropesecuringgunarmil releasethegins stops.

I rennovestime pin travelling lock.6 anti 7 hmommse thebrakes.12 anal13 removetime block beatinigfact-.

A “ detacimmentisaultire gun to thefronmt until time guide- rollers engagetime bottomusof the’carriageranmsps,3 tn’avcu’sinmg

tuecan-riagearmd7 traversingthegun asmsecessary.A “ det-aehmnnenittake Imost as follosvs :~

I sumpervisinmg.2 under time transpor(inmgssuigonu.3 oms iris laying platform.4 anmi 5 at- the guidebrackets.6 amid 7 at the tie ropes.8 anal10 mit time svinmulimmg up gearon theright side.9 amid 11 at thewinding up gearons hue left side.12 amid 13 at tire fronrt whueehs. - - -

14 sitting astridetire hinTer.2 releasestiue strmnt.8, 9, 10 and 11 fix tire winuclr inanmtllesto tue lower spindle.

32

8,9,10 andII work thewinch handlesso that thetie ropesmove forward; 6 and 7 securethetie ropesto the carriagebody.

8, 9, 10 and 11 work the winch handlesin the oppositedirection andmove thetransportingwagonforward until timegimide rollers reachtheendsof thecarriageramps,2 guidingtime strut into time strut rest.

No’rE.—If the groundslopesupwardsfrom therear of theplatform, 6 and7 must place ramping piecesin time carriagerampsand2 a ramping pieceunder the strmnt rest.

8, 9, 10 and 11 shift the winch handlesto the upperspindle.

14 removesthe buffer nut amid bumiler lockimsg pin.3 elevatesthe cradle until it is in prolongation of the

gun.8, 9, 10 and II. work the winchhandlesuntil theguidesof

thegun areaboutto entertheguidewaysof thecradle.3 adjuststhecradlesothattheclearanceontopof time guides

is abouttwice that underneaththeguides; 4 and5 oil timeguidesandremovethepins of the guidebrackets.

8, 9, 10 andII eontinsmo ss’orking the is-inc-lu luammdles4 anmd 5 ss’ithdrawthe gunide bracket-sjsmst beforetimey foultime breech.

Whenthe gun is home:—

14 replacesthebuffernut andinsertsthesplit pin.I insertstimerccuperatorcotter amid spilt pin anmd scress’scurt

time beatingface.12 and-13 rensovotheapparatusseeum’ingrccuperatorrants.

‘ 8,9, 10 andII shift time winchhanmdlesto time losverspiumulle.4 disconnects(lie hmamnhimngchainm,8, 9,10 aumd 11 runsback thewagoru.

33

6 and 7 disconnecttue tie ropes fromn tue carriageandconmnectthoumi to thewagon.

2 securesthestrut.“B” detachmentremovetime wagon.

The fittings.3 and4 fix 4’s platfornmm.2 anti 8 fix 2’s platform.6 fixes hisplatform.6, 7, amid 9 mommmit theloadingderrick. -

10 amidII ssvinmgthewings of tiretraversingarcinto positionsandbolt timenmi.

12, 13 and -14 fix tire loading platform and secure timestrmmt restto it.

As soons as time gumn is mounmted the detaclmmnemit,fornnidetacimmentrear.

7. TO PREPARE FOR ACTION,

Preparationfor action will be carried out when time gun ismounted.

Sectioncommander.“ ...sectioru—”Preparefor ac-lion.”

Eachmanprocureshisstoresandplacesthienn readyfor umse.I seesthat time bore is clear, thebuffer amid rccupermitorare

properly connectedump and time cut oil gear in adjustment.He seesthat tue bsmtler and recuperaterare correctly filledand charged,andthat there is no leakagefrom tho glands.Ho testsand adjuststime sighits.

Ho satisfieshimself thmati tim clctuschnsenmtandequipmentisin all respectsreadyfor action,

2 nenumoves breecim amid mmmmmzzle covers. He examninses timeium-eechu numt’cimammisnrsamid withu 5 tests anmdauhjunststime obtumn-atimugjxmih. lie exanmsimmesthmo firimug lansyardamid liminug turbes.

3 removestime sighutcover. lie exannimmestimedial amid oiuenusights, cross-levellinmg anti tras-ersiusggears. lie assistsIto test time sigimts. -

4 exanmines the ainusimig posts, elevation indicator, longi-tundinsal bubble, field clinsommieter and elevating gear. 1-heassistsI to test and adjumst tue sighmts.

5 exammsimmcstime breechuamid chuammiher. He assists2 wit ii t hmu-obtunratingpad. ‘ -

6 amid14 exannineamid grouptime cartridges.7 examinesanmdlubricatestime derrick.8 examinesand tests tire loading gear.9,10,11,12 and 13 exanninio and cleanssluell. They gromnp

shut-li andfuzesas ordered.As soon aspreparation for action is comuipleted,2 closestime

breecii.Timedetacimmentform detachrmnentrear.I collects reports and reports to tim sectiomu commander,No....Readyfor action,” or otimersu-ise.

8. POSITIONS IN ACTION.

I wherehe can bestsuperintendtue is-ork of time detach-nment.

2 on time firing platform on the rigimt- of the breecim,facingtime frommt. -

3 on tue layiusg platformn in rear of the dial sight, facinmgtime froumt.

4 on the platform on tire left of time sight and facingit.

35

5 on thro pialformmm oni time left of tlue breecim, faeinug themighut.

6 amid 14 with the cartridges.7 in frommt of time winch imammdle, facimug the rear. -

8 at theloading gd-arhuand-wheel,facinmg theleft.9, 10, 11, 12 amid 13 withm tim shell.

9. TO FORM DETACHMENT REAR IN ACTION.

Sectioncommsmssander. -

“ . - ,seetioum—Dckuchmuuen(srear.”

1 doublesto isis place (one yard ins rear of time loadimigplatform anti covering tume rigiut truminioms) amid gives timeorder “ No. ..., Double mnarch.”

At tine order fm’onn I time remainderdouble to their placesandhalt.

10. TO TAKE POST FROM DETACHMENT REAR.

Sectioncommander.

“ . . .section—Ta1~epos~.” -

Time detachmentdosnbleto thmeir positiomssin aetionu.

II. TO OBTAIN THE LINE OF FIRE.

‘I’!uu’ li,,r of firr is ob!ai,urui by omuc (f f/ue iuuclltouls tk~cri(i~liuc Artillery Traiiuiuu~.

30 -

12. TO LAY THE GUN IN THE LINE OF FIRE.

Sectioncommander.“ ...seclion—Ainmingpoint degs. ... rniums. right (orleft).”

I orders“Take postto lay.”3 sets time dial sightas ordered.4 sets time elevation indicatorat 20 degreesand brinrgs tim

bubbleto tue centreof its run by time elevatinghmand-whueel.3 brings the cross-level bubble approxinnat-ely to time

ceustreof its rums andlays accuratelyfor line with time travers-inmg hammd.wheel.

I pointsout theauxiliary aiming point and batterypicketto 3.

3 reportstel thereadingsof time dial sight from time batterypicket and auxiliary aiming point; I recordsthem ens tueslate.

The sectioncommandergoes to his guns and takesa noteof the anglesrecorded.

13. TO ASCERTAIN THE LOWEST ELEVATION ATWHICH THE TRAJECTORY WILL CLEAR THECREST. -

Sectioncommander.“ - . .seclion—Reportcrest angle.”

1. lays the gun just c-lear of the crestby lookinmg along tinebottom of the bore and orderimig4 to elevateand depressas required.

4 then brings the bmubblo of the longitudinal level to timecentreof its run by tumrning theelevationindicatorhianmd.whueela:id reportsthereadingon time elevationsinidicator to I.

37

I reports time result to tire sectionmc-onmnumander,svluo ~it to time G.P.O.

The G.P.O. adds to time anglereportedtime elevationdueto rangeto time crest, plus allowance for safety, and reportstime resultantquadrantangleto time batterycomsiunander.

14. TO PLANT AIMING POSTS.

Sectioncommander.

.seclion—Aimingpostsfront (or rear).”4 doublesto time front (or rear)of his gmnnm smith tsvo ainninmg

posts andplants tisem as directedby 3 ins hinso svithi time dialsight setat zero (or 180 degrees). He plants time nearpostfirst at about50 yards from t)se gunms. lie then plants thefurther postas far fromn time gun as possibleup to ‘about 100yards.

If the order “ Ite-plamstainluinig hosts“ is given, 4 dosnblesout amid, at tiso signal from 3, purlls imp time juosts,time fuurthieronme first, andre-plantsthemim.

15. PARALLEL LINES TO A NAMED GUN.

~EItO LINE METhOD.

Sectioncommander.“ ...sectioa (or No....)—Parallcl lines to No....—Ztro linenuelhod.”

3 of time nanmsedgunns relaysfor line.I of tho namimedguunu reports luis angle might on’ It’lL of hmi~

‘ic-mo line.This angle is ordered to time otiscr gunnss.

38

AIMmNG PoINT METmuOD.

Section comnnanmtler.

.sectio,u(or No....)—Parallel lines to No....—--—Aiuninqpointnmethod.” -

Time sectioncomnnmsans(lcrindicatesami ainninmgpoinit.3 of time msammsed guns relays for line, swinrgs iris dial sighrt

on to time aiming poimit and I reports time reading. Thisangie, corrected if nseccssaryfor parallehismms,is orderedto timeother guns.

DnmE~rommMETHOD.

Sectioncommmmumamsder.

- . .section (or No.... )—Parallel lines to No,...—Dircctornmet/usl.”

3 of time umamused gunnm relaysfor line, swiusgs his dial sighmton to time directorandI reports time readinig. Time directoris set accordingly ausd individual anglesare orderedto timeother gunms.

16. TO LOAD.

- High explosive. -

Sectionscommsmnausdcr..,.section—If.E...., c,r.h. (fu:e)..., (propellant) ..., Charge

.rangimug (or met/mod office).”I repeatsthe anmmnnumnmitionsorder ammd at time correct mrsomnremrt

orders “ Load.” -

8 brinsgs time gunnu to time loadimsgposition (if necessary).13 issmmcsa shell ; 9, 10, II amid 12 carry time such omm time

loadinmgtray to,timegunn, 10 amid 12 on thue rigiut, 9 anmd11 (tnttime left, II amid 12 in front, ammd slide time tray immto its guidesmm time loadinig platformus. -

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9 and 10 remisove time hearer; II nmu’aps tine fnmw (ifnecessary).

7 lowem-s tiue dt-rriek ; II ammd 12 enmgagetire chips svitlu t hueloathinig tray.

I orders“ Raise‘‘ ; 1 annul 7 raise tire shell into time loadingposition.

12 sumppliestime ramsimer; 2 and5 takepostoni time rammmnmmer5 steadiestime headagaiumsttime baseof time shell ; 7 steadiesthuesvinsclmhamsulhe.

I orders “ half way “ amud time shmell is pushedforsvardluntil time baseis 6 inchesimsskletime fmice of time inc-c-elm.

II and 12 takepost ons theranmmnncr.I orders‘‘ Ronnie“ amid time slut-il is ramusnneclhmomume.12 replacestime ranmmmuut-r; 7 lowers time derrick ; II removes

time loading tray; 7 raisestime derrickthuroungim :io (legret-s.6 carriestime cartridgeto time gumnm, shmowsit to 1, and imands

it to 5 ; 5 placesit ins time ciuansberamid reports“ Ins.”2 closestim breech,placesa tumbe ins time venmt amid closestime

lock.8 brings time guunm fur flue fmn-immg Imosit ionu.

Dumrinig ranging (except svitii “ tinne set“ fuzes) thue gmnuswill bereloadedassoousasit imas bc-emsfired.

1)umrinmg rammging withm “ tinsse set“ fumzes time guns will huere.loadedasSOoml astime tinne settinmg huas in-c-nt ordermd.

At a mmmethmod of fire theguumu svill muot be loadedsoonerthanmis miecessaryto mmsairstainsthit- rate’ of tint’.

After time t’urst rouunmul -

If timere is mio alteration ins annnsumnmitiousordered, 1 onslyorders Load.”

40

If tluere is mum alten-rmtions ins annnniimnitions on’ulei-ed, I repeatstim annmmrmunnuitionton’den’ Ion’ time first m’ounmuul umuly.

Nou’i~.—At- drill tIme ranminmsc’r will be placed againust timebreechmm’inmg ins time actionm of ranmmmmuinugironmie ; omuly drill ear—tridgeswill be loaded. -

17. TO LAY THE GUN.

Indirect laying with elevation indicator.Sectioncourimander.“ ...section—-—.. .degs.. . .nmimus. snore right (or left).”

Position Correction——No....plmt~(or minimum)...nuins.”‘‘ (Eleu’ation). . .degs... .minus.”

I applies the position eom’rectioum and gmmns correction (ifaumy) amid passestlue correct elevatiomsto 4.

~ ~ ems time detlectioms.4 sets time elevationindicatorand elevatesunntil time bunbble

rumns to time fronit, mmmdi depressesunntil time bubble is miearlyinstime centreof its rmmn.

3 cross-levels,lays for linse amid rehuorts “ Set.”4 depressesunit-il time bubble is mi time cc-mitreof its runs amid

reports “ Ready.”

Indirect laying with field (or large) clinorneter.

Section conmsmanmder...section—Clinonueterlaying—...degs. . . .nuimus. moore rig/ut (or

left).”“ (Elevcntion)...degs... .nmi,u9.’’

I applies tue index correction (if any) and passes tirecorrect-edeles’ation to 3 azmd 4.

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3 putson f-hue deflectiomi anul set-stime elevat-inmuinmuhiector.4 sets time tk-lui -linonmuc-tu-n’ anud iulmu-c-s it- our thrum m-linruuniuetu-r

phanse; ord-rs 3 to elevateumnutil time iuubblti i-umrms to tire froumtandto depressuntil time bubble is irearly ins time cemutro of itsruns.

3 cross-levels,laysfor line andireports “ Set.”4 orders3 to depressuntil time bubble is ins tire cc-nit-re of

its run, reports“Ready,” andrennovestime clinmonseter.

NOTE.—Wimenhaying with field (or large) ehinmonimeter, timeelevationorderedis time actual elevationat which cachm gurnmis to be layed.

Direct laying.Sectioncomnsander.

“ ... section—Target...,”

Referencepoint...,—...o’clock . . ,degrees....”

Opensights—...degs. . . .nuimus. moore right (or left).”

(Elevation) ... degs.... minus.”

3 pmmts on time deflectionanmd4 setstheelevationindicator,and relmomts “ Set..”3 cross-levelsamid lays direct over time opeii sigiuts ens time

ground himie of isis portions of time target, cruel reports“Ready.”

If “ Indirect “ is ordered, I selectsems aumxiliary ainmmingpoint and pointsit omit to 3.

3 turns the dial sight on to thmis ainmminsg point. 4 sets tImeelevation indicator at time elevationmordereul, mmmd time gtunm isthen layed indirect with elevation imidicator.

-12 -

18. TO FIRE.Xo. 1.

‘‘ .L1

t’•O . .

“ Fire.”

I orders “ No “ simortly before it is isis turns to fire.2 attachestime lanyanh. -

All face the fm’onmt.W

Timen iris turn arm’ives I looks at tue bs’eecimandom-den’s

“ Fire.”2 fires time gun amid putstuelamiymurd roummid lmis mmeck.8 brings time gtmn to time loathingposition.2 openstire breech,ejects the tmnbo and wipestime imeaul of

time veustaxial with a wet spongecloth.‘l’hse gun sm-ill ens no accountbe fired without time order

froun I.

18. MISS—FIRES.

If time gtmn fails to fire, 2 re-attachuestime lanyardandpullsit. If time gummi again fails to fire, 2 allows te~secondstoelapse,ejects time tube amid examinesit.

(i) If the luube innsfailed to fire he exansinmestime cap. Ifmiot fairly struck the lock is cluanged. If fmuiu-hystrmuck a mmew tube is inserted. This tube is alsotried tsvice; if it fails a second time, a pamuse of

- tenssecondsis mmmdc ammd time lock is cimamiged.

(ii) If time tumbe liensfired a pauseof thmreemninsutesis made4 then depressesthe gun with time elevatinghiandwimeeluntil 2 can open time breechm; after afurther paimse of one minute I removes mind

43 -

exauumimmestire cartridge. If it is dry amid service-able, I m’e-adjmists it in tire chmanmbe-r. If it isdamp or summoulderinsg, ime places it cid-mur amidordersus mien’ cartridge to ho loaded.

Ins timo event of time tunluo fuuihinmg to ignite time charge,earosimommid bo takensis-liens extrmsctinrgtime tmmbt,miot to stammuidirectlyins rear of time gums, astire tuulue mayfly outwith sonmieviolemscoassoomias time lock is clear. -

Time ventehmammuselsonnetimrscsbecommscschoke-ui withu m’esidumofromms time cartridge. \Vlucmm timis occum-s time taper portionssiuould be cleared witim a “ Rimnem’,” suffieiemrtly to allow ofthuo insemtionof a turin, svhmichr, sc-liens fired, w’iii remnmove timetest of time obstn’umctionr.

Noire of time detachunumenrtsmmor amuy cartriulgesshroumld ho musearof time bre-ec-imsvhuenmit is openmed.

19. ‘TO CHANGE TARGET.

Sectionconimumuder.

“ . . .scctioiu—’J’unrgel....”

‘‘ (.lunnnnnitiomu)....”

..uleg....mins.,rig/mt (or left) of zerolimues.”

I repeatsthud- armmnuumnnuitioms order anmd orders “ Turke post

to lay.”3 sets tire dial s ighut to t hue m’econdd-d ~-m-olii mc- mm nrghe am nh

mu nnms time msmie-nonuuettn’ imead t I muoungim time- mm night’ omek-m’e-d. lielays romughmly for himse.

6, 9, 10, 11, 12, 13 munid 14 pmepaieammmmmimmnuitiomm.

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Section comssnnammdcr.

.ranging (or Met/tend offure).”

(Iimtereal) “.. .(uf required).

I at time correct momentorders“Load.”

Time gum is loadea.

Sectioncomnnsander.

(Elevation) (or Elevations)...degs....

I passestIme elevation to 4.4 setstime elevationindicator.3 laysfor line andreports “Set.”4 haysfor elevationand reports“Ready.”

20. TO STOP FIRING.

Section coumsmmsammder.

..seetion—Stop.”

,Timo preparatiomsof anismunitiomsis suspendt-d.‘I’hme dt-taclmnuexstcommtimmtuetheir dmmties but f-he gmumm is muot

fired until theorder“ Goon” is given.

21. TO STAND FAST.

Sectionsconrsnusander,

“... seclion—Siandfunst.”

Au! standfast whmatevt-r thut-y an- nloinng.At tueorder “Go ems” work is coustinued.

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22.—TO STOP LOADING.

Sectioncommander.

section—Stoploading.”

Time detachmmmientcontinmuo their dmuties. Amsy gun alreadyloaded is fired at its proper imrterval, bust mm gummm will holoadeduntil the order“Go 0mm” is givcms.

23.—TO EMPTY GUNS.

Sectioncommnander.section—Emply gums.”

Amsy gum loaded is layed at time last elevationsanmd line ummrdfired.

If a safety pins or cap hasbc-ems renssovedbefore time orderis given,the loading is completedamid time gmmn fired.

24.—TO STAND EASY IN ACTION. -

Sectionconimander.section(or No. . . .)—Standeasy.”

This order is given to indicate that firing is tcmnporan-ilysuspended.

Before openimigfire againthe order “Take post” will be‘given. -

25.—GUNS IN POSITION.

Tire procetlunro laid dosvns ins ‘‘ Exmmnuuincu n-n~mripnmun’nut.“ inntime gun park nsustbe c-arm-ic-cl out every 24 luounm’s mimic! svhucmmreliefs (if any) are carried out.

46

In additioms1 mususstsee that time layers knuoss-tire zen’o himieamrgles to, turd position of, time aumxiliary ainiminig poimst amidbatterypicket, and that all mncn of time detacimunentare eon-s-crsantsiitlm theposit-iomsof time commmmandpostand amnmrmuni-tiots ssmpply.

I will cimeck theanmimunitionavailablefor his gums.

26.—TO CEASE FIRING. -

Before “Ceasefiring” is orderedgmmmms mustbe c-empty.

- Sectionconmnsander.

.section—E-tnply guns. Ceasefiring.”

Time guns is spongedoimt.4 brings time gmmni imorizomstai amid inuscrtstime buffer loc-kinmg

pinu.2 closes time breeds. - -

3 sets the traversinggearat zero.4 brings in the aiming postsif ordered. -

8 disconsusectstime foot leverof tueloadinggearamid consnccfsit to time carriage.

Timestoresnotrequiredfor disnmiounitimmgtime gunmarereplaced-

by time inc-nrespomssible.Time detacinmientforums detaeimnmscustrear.

27. TO DISMOUNT THE GUN. .

‘I’lme procedureis time reverseo I/mat detaileul in “ To muouumtflue gnu.”

The pegssccmnrimsgbed am-c withmth’ass-mm from tise groumud byinserting first a crowbar amid later a hrandspikounndcr the lipandusingit asaleverof thefirst orderwith asuitablefumlcrumss.

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28. TO PICK UP THE HOLDFAST PLATFORM.

‘i/me proeeduum-ri-s’ time rem’n-ro’ of I/out uleta ileul ‘imu- ‘‘ ‘i’o lam, timeluolulfust platform,’’ time earthbeingfirst loosemueulrouuuuul the (muutsiuleof the beams.

29. CASUALTIES TO DETACHMENTS.

Mcmi seust UI) to replace casualtiesreport to their sectioncomumnnandherssc-hue om-der seucim changesof duties as they con-sidernecessary.

Casmmaltiesmu-c replmucedas fohlosvs :—

St-ctiuunmconmsnusammder... By time senior No. I of timesection.

I ... ... ... By a nmanmued successor(umsmmahhy14).

3 ... ... ... By a namnedsuccessor.With thirteenmen ... 12 perforniss time duties of 12

and13.Witim tsvclve mmmcmi ... 12 performstime dutiesof 12 amid

13 ; 14 l)crformlss time dentics- ofl4and6.

With elevenimsenm ... 12 performs time duties of 12and 13 ; 14 performnss timedutic-sof 14 and6; 9 1x~rfom’mnstime duntiesof 9 and5.

W’ith tensmien ... 12perfornursthedutiesof 12 annul13 ; 14 performusstime duntiesof 14 and 6 ; 9 performums tiredumtiemof 9 an(i5 ; 8 disapjut-au’sand 4 brings time guns to thmumfiriusg amid loading positioniswith timeelevatinghand-wimeel.

48

30. DISABLEMENT.

Time extentof disablc’nurerrton’nlem’ed isihl tlependems time tinsmeavailableand theprobability of recapture.

To disablethegumso that it c-aim bebrought inmto action iuimnuedi.alely after recapture: Close time breech,remove the carrierhinge bolt and leverbreechmechanism.

To disable time gun -so that it cam be brought into action afterrepair: Removethe buffer nut and recuperatorcotter; lirea roundwith full charge.

To destroy time gum: Place an Ii.E. shell funzed 101 E or101 B ins time mmmuzzlo; load witis 11.E. fuzed101 E or 101 BIoil charge; fire time gem by meansof a long lanyard fronsiunder cover. A lengthsof telepimonecableattacimed to timelanyardis suitablefor thepurpose.

NOTL—Tlre dial sight and cinometershould always hem-c-movedand takenawaybefore abandoningagun.

31. BLANK AMMUNITION.

1. No officer, non-commissionedofficer or gunner who immmsnot been trained and passedin gun drill is to commnand asectionorform partof agun detaeimmmmentfiringblankamnnsumui-tion at salutesor at trainimig. -

2. When firing B.L. blank cartridges, no gun is to irereloaded svitluin 30 secondsafter firing. Even after tinsinterval no gun is to be reloaded until the chamberamidborehave beenspongedout and examinedby 1. -

4, In time event of a miss-fire a further attemptslmouki bemadeto fire thegun in its turn. In no casemustthe breech

49

beopenedfor at leastone uniumutowith black posvderamid tenminuteswith smokelesscharges. No one must be in rearoftho breechwhen it is opened. In firing salutes,an officeror seniornon-commissionedofficer should be tic-tailed for timespecialduty of timing time interval afteramiss-fireamsdinfoumn-ing I of that gun whentire breechmayho opened.

50

CHAPTER III —LAYING TESTS1. In every battery thucro should be at leastsix qualified

layers in c-ac-hi sumbsectioms,exclusive of sem-jeantsanmd lamice-serjc-ants. A list of hayes-s SlsOUl(l be kept. Au - layers,sect-ion commanders,serjeantsand lance-serjeantsshould betestedperiodically.

2. All officers and Nos. I must be thorougimly comsversantwitim

(i) Thetestsfor anmdcareof siglstinggearandsights.(ii) The metluocis of obtaining parallellines of fire.(iii) The applicationsof guns corrections.

3. Layerswill be tested by mcamssof tsvo tests: test Aic-ill consistof four haysiusdirect, test B of two haysdirect-.

4. A maximum of 20 mnmarkswill be gis-ens for eacim lay instest A, and 10 nusarksfor c-ac-li lay ins test B. 1mm order toqualify a layermmmsmstobtaims 81 nsarks.

5. Tim examrmimsershouldbe assistedby ams otlicer or seniormmoms.comnnnissiousedethic-erwitim a stop-watchuarid recordbook,amid by a penscihierwin will take dosvn all ordersgiven, forreferenceic-lien checkingthelay.

6. Whenlaying indirect threeor nsorcainninsgpoinstssimouldbeselectedto therearandoum c-ithicr fhammk,if possible,amid nmsumdeknosvn to all concerned.

7. Before imeginmsinmg time tests at least five targetssc-ill beselectedin time foreground imt iaryinmg rammges anm(l angles ofsigist, and c-evening a fm-oust of abosut25 dc-gm-c-es; exceptiur

51

time caseof tan-getsrepresentinggums timeso should benatuiralfeatuiresbi time groumid. If it be mseeessaryto muse (lunummnmmiesthey should be placedins positiousssuch as time troops wimicimtimey rcpresemst would mmaturalhy occupy on service. Areferencepoint, appnoxinnately in time cc-mitre of the targetxonc, is-ill be pointed omit to time No. I anmi to time layers;targetsic-ill be insdicateuisvith referenmceto thmig pointby inc-aimsof time clock code.

8. When laying direct 0mm any target (other than a gunstarget) sc-inch extends ever a fairly wide fronmtage, gm-catexactitude ins directions ic-ill not be rcqumire(1 as regards thepoint originally selectedto lay empon,sc-hmichm musaybeaniywhmerein that portion of thetargetoppositeto thso gun bc-mug layed.Ansy simbsequuemitlay on time saussotargetmust, imowever,beontime samepoint asthefirst.

9. Timeordersfor time laymustbegiversomit by tineexaminerclearly amid distimmetly, a short paumse (about two or timreesc-consuls)beinsg madeafter each separatoorder, timus : “ ill!guns, 20 degs.right “—paumse---—” Alt guens,15 nmimms.morerightof zero lines “—pause---—”20 degs.20 nuins.”

All orden-sis-ill beackmsosvleclgedby time No. I and actedonat once. Shouuld a layer at any tinmo be ins doubt as to a -

particular order, iso ic-ill refer to time No. 1, wimo nmmay repeat -to lminn amsy part of time order received. Time No. I nmsay, imstmurn, refer to time examiner.

10. After elmeckinmga lay, the exansinc-rsc-ill elevatetire gunaboust15 musinsutes. -

11. Layerswill be examinedin paim-s (Nos. 3 and 4); fomany incorrectpart of a lay marks sc-ill be deductedonly fromtime indiviulumal nsakinmgtime em-ror.

52

12. Time timnesallowedfor c-ac-lu lay arcas follows:—

Test A. Tost IL

Lay 1.1’ 00”

Lay 2.0’ 20”

Lay 3.0’ ~O”

Lay -I.1’ 00”

Lay 5~0’ J0”

Lay 0.0 20’

Time layeric-ill call out “Ready” assoonas lie hasfinishmedlaying the guns. The time will be taken frommi time consciusiousof the orders for the lay until theword “ Ready“ fronsm tirelayer.

13. Onse mark will be deducted -

(i) For every five secondsor fraction of five seconuimubeyondtime tiune haiti downfor the particunlarlay.

(ii) For c-ac-is mistakein time manipulationof thesighutimmggearor us timedrill of the layeraslaid dosrn.

14. Ten markswill be dc-disc-ted:—

If theaiming postsarenetplantedin line.

15. No markswill be given for time lay :—

(I) If the sight, clinomneter, or elevation indicator isincorrectlyset.

(ii) When laying indirect, if the gum is not correctlylayed for elevationand direction. -

(iii) Wimen laying direct, if the gun is not layed forelevationwitlmin 3 minutes,or for directionwithims5 minutes. - -

(iv) If thebubbleof time crosslevel is not c-mitral.

53

Lay 2.“ Charge two.”“All guns,1deg. 10 nmins.snore

right.”“25 dega. 40 mins.”

Lay 3.“ RepresentNo. 2 gun ~n

action.” -TargetCharge

15

m-occdure.

Time proc-c-dome will be aslaid dowus umider “T& laytime gun ins time line of fire.”

Time battery picket antiauxiliary aiming point read-ings will be i-ec-orded ons timeuuhate after 4 has i-c-ported“Ready.”

Time procedurewill be aslaid down under “To plantaiming posts.” Tinmic for thispart of time lay is not taken.

The procedureivill bo aslaid down under “‘ro lay tinegums.”

EXAMPLES OF TESTS.

Laying tests.

Time oxamimier setstheehovatioumiusdieatorat about20 degs.amid time reunainmimmgscalesat zcno.

Test A (indirect).Orders.

Lay I.‘‘ Aiming point‘‘ All gums, 90 degs. JO mmmins.

rigimt.”

ilinsisngpostsfront.”

The pu-ocedmmro ivihl be aslaid dosvn umnsder“To cimangetarget” and “To lay thegum.”

54

Test A (indirect)—cmmt.Ou-ders. ii’u-ocemlure.

Lay 3—count.All guims, 2 degs. 15 mini. Time proccdumre will Inc asmore left.’’ landdow-ni smnnuler “ To cluammge

‘‘ (Jouueeuutruutc 10 nuin,s. ouu- tanget-’’ mmnrul ‘‘To lay tineXe. 1.” - gsins.’’

“20 degs.20 mins.”Lay 4.

Target “ Time pnocedusreivill be asAll guns, 11 degs. 15 mime. haiti downs mmnmuhem ‘‘ To cirmmmsge

right ofzeroline,s.” target “ and “To lay time“Ciinoometer laying.” gun.” -

“ 15 deg-s. 10 mains.”

No~.—Inlays 2, 3 and 4 layersshnommlui 1)0 exereisemiandtestedin laying fronms auxiliary ainmsimsgpoinstsor mummingpostsat time tliscretiomi of time exanisiner.

Test B (direct).The referemicepoint is describedbefom-eordersaregiven;

Orders. - Procedure.Lay 5.

RepresentNo.3 gun in action.” Time procedure ic-ill be asInfantry lining hedgerow, laid doss-nuimmder “ To lay the

4 o’clock, 3 degs.to 5 degs.” gun.” -

“ Opensights.”“ 15 degs.20 mins.”

The examinerwill put on a defleetionandnotethereading.

Lay 6.All guns, 40 mains. moreleft.” The gmims sc-ill bere-iayed on

“15 degs.50 muum-ns.” thesame point of time targetasin lay 5.

55

CHAPTER IV —SIGHT TESTSTime fit-Id (or lam-ge) clinomsieter amid elevation inmulicator

siuuuunlulho jesteddaily aimd after prolomugcdfiriumg. Time ahignm.nuuemnt testsshould be carried omit as oftc-mm as possible. Atdniil tineso tests shuonuld be carried out freujunenmtly to giveohlicei-santi N.C.Os. pm-ac-tic-cins doing thmenm accurately.

Time remaininmgli-st (cross leveliimmg gear) simosnldbe carriedomit occasionally,bumt adjustmrsemmtsmuist ommly be madeby aqmnalifsedartificer.

Ammy adjustment to optical insstrumnentsnumsust be caru-icdout by a qualified artificcr.

Test 1.—To test the field (or large) clinometer.

To ascertain the index error.1. Set tine elinonmeterto reati zero (dc-gLeesmud nnniumuutes),

inlace time inmstrumnnentcmi time chimuommueterplmmnmeof time gunnn, usnmulmy immeauns of timo elevatiniggear bm-irug time bubble inmto tireeenmtn’oof its uumnm. ‘.I’umun time chinnomnmett-rc-mimi for enud. If tinehunubblodoesimot renunaimsmm time ceuntreof its inns bminig it themeby Immoving time am-mmm mmmd slider (or du-mmmus). Note time metmeadimmg. Ilinif timis readimug is time INJ)EX ERROR of I-ireclinioumicter.

2. An mmltem-iratis-e misc-timed nuuay be enmnpltuyeul. Proc-ninea climsemsseterkmmosvns to ho ims mmdjustnnenmt,set at zero,placeit emstime clinmouunmtemplmmmre,mmmd by mumemnmisof tire elevating gearluuinmg limo luumhrbio central. itt-nusovo tine climrommueter. ‘I’imoti I nmomcterIc l~I tiut ed is mnosv placedrun r lime c-li nmomuneterp1mmmu mmmunmul inc Juurluluh- iumouuginl- cc-nitnuni by umuruvinug t !mu mmmii mmmd slider(um rIrmnmum). ‘flit mmclmini readinug of thus mustm’mnmunt-mut is time

56

INI)EX ERROR. A nmummumber of clinomcters cmos be ~qumickIyand mmniformniy testedin thismanner.

NOTL—A cliusomnetersvimeni setto readits 1NI)EX ERRORanti witim time lmmmbbiebrougiit central ic-ill lay time clinsometerplauseisorizontmnl.

Time clinonseter shuould be adjustedto mac-c no INDEXERROR, or if this is impracticable, time INDEX ERRORmmuumst bea

1upliedto all anglesto beseton time instrunssemst.

Time misc-timedof c-liminatinsgoradjmustimngfor INDEX ERRORis show-nin theHandbook.

Test 2.—To test and adjust the elevation indicator.

W’ith tire longitumdinalbubble in tine centreof its ruins, timeelevation indicator simould read the elevation at whiiclm timegmmn is iayed.

Placea shell in theehanmberto takeup playin tire elevatingëgear.

Cross level thue sight, lay thegun at 20 degreeselevationswills a field (or large) climmometer; briumg the longitunthinaliuubble to time cc-mitre of its run by time elevations imsdicatorimamsd.ivhseel. The elevationindicator slnould read20 degrees.

If the elevatiomsimudicatordoesnot read20 degrees,slackentime screwssecurinmgthe elanspingring, revolvetheelevationL-ing unmtil it reads20 degreesamidre-clamp.

Remnovetheshell frons the chnanmsber.

-u

-4

_1 -u~- a

5-aa

0

0

1-4aza

a0

0

0a

a

ap

57

rJ)

-4--.

F

~i2

i—u

To facepage56.

~ -—

-~ a _uS

54

0

~~‘1

5s I

- Alignment tests.Before beginning tinese tests time following preparatiouss

slmonsidbe mmsasle:—

(i) Select a well-defused object at least 1,500 yardsdistaustoum whmicim to lay.

(ii) - If timis distant object cannotbe foumul, set nip timetarget tcstinugsigimts (see diagrmunus)ahrnuut50 yardsin fnonmt (or jim mear)of time gumni mit right mmmmgles tothe axisof limo bose.

(iii) If the carriage is mmot Icc-c-h tranmsvemsely,time top oftime dial sight carrier amid time - target testing

sigimts sinould be slopedto time sannueangle as thocarriage.

(iv) I~ixcrO~-svmn’esat time nnmtnzzleof time gtmnm.* (Amud attine l,rm’t~hmif time target testimugsigiits an’e

1iaec-dimu

ream’).(s-) Set time elevations inidicatom, time cowl of time dial

sigint, time nhial plate aund mmmicmuimnseterscalesof timedial sight, amid time deflection scaleof the opemssigimts at zero.

Test 3.—To test and adjust the dial sight and opensights for line.

Time limit-s of sigint timmosugim time dial sighmt amid open sightssimounid bepam-mullel to time axis of time bore asregardshimse.

Lay tine boneon time distamutobjectlou- line by time tuaversimsgimanud-wimeel, uusimmg time inmtcrsc-ctionsof time cross ivires as aforesight and the axial vcumt as a hind sigimt. Time linses ofsigiut timn-ommgim time mli~mi sight amid time opensightsSlsOiml(l be ons

* lIut ul-tos—tu itos uuuuu~uitt- u’u-mnuuvcul un utumplutiuui f mu—su_

59

time distanst object. \‘Jlmi-mn uusinmg time tamgu-t ti-sting sights,laytine bomeoni poinmtB; time (Ii mul sigi ut simunilul hue onu mcinut I)amid time oiuumr sights uuum potmnt 0. (It tint- tan-get lustingsigiulsis lulaee~mu ream- lay tine bore onn

1uoi mit B by time i intersectiu rum

of t Inc cross-sc-in-ms cnn umsumzzht- ammu I br cii.)if tIme dial sight is nsot mm alignmmnuenmt,tmmm-n time mnmicrominetc-r

imeadsof time dial sighmtunstil tine lameof sigint is conrect, shackenmtine scresvsseeun-inmg time readerof tine dial lrlmste mmnuui time mnuntsof tine immicronmmeters,shift tire ri-adem- ansul numicromumeter sc-silt-sto zeno amid ne-cianumim. If time opens sigints mire not inn aligns-ninenit, tunun tinu -c-cenntrio at time fuonmt vertical inc-ct of tirerockinsghamumntil time himse of sigimt is oem-u-c-ct.

Test 4.—To test and adjust time dial sight and opensights for elevation.

Time limmes of sighmt throungim time dial sight annul opensightsshmosmltlbe parmmllel to time axis uf thehon-c asrcgumrdscles-ationsic-liens time elevationsimmdicator is at xemo.

Lay time hot-c oum time distamnt object for elevation by tineeievatinsg inamud-svhneel, Time linmes of sighmt timu-oungim time dialsiglmt andopensigimts muisouldbe cnn tine distammt obji-et.

\Vim-ni umsinmgt lie taugetb-sthug sigimt s, lusv I Ic- imuuri- cnn poinmt-B ; tire dial sigimt ~imuuululbe oun lmmunt I) snunul tint- ole-mn sightsoni poinit 0.

If time dial sighit is riot ins alignmmmnenmt, revolve time numihledireadat the top of time sight until time line of sight is con-u-c-ct-,slackentime flint securingtime imnicronmmcten-collar, revohvetinelatter to zero and re-clamp. If tine opens siglmts au-c mnot insahignnmsent,slackentine clanmmpimsg nsut at time bottomur of timeforesight, scrcsvtime foresigist up or down ummtil time linse ofsight is correctand re.clannp.

(10

NoTE.—After adjuisting time mmsicrousietercollar of time cowlof time dual sight time armosv ens time i-ic-sc- finder mumay miot beoppositezero; if c-onmfusioniis likely to arise thusarrowshouldbeerasedand a rsesv omse seribedoppositethezero unarm.

Test 5.—Test for cross—levelling gear.

Set time elevationsinmdicatorat zero ammti lay time gumum hon.zonmtal.

Fix time plane testimsgins time carrier No. 7 dial sigist; placea field clinsonsetersetat zero alommg time transversepositiomrimsgmsiarks. Brinmg time bmmbble of time field ehiumomnetercc-mitral bytime cross-levellinggear. The bmnbbioof time cross-los-elshuomuluinow becc-mitral ; if riot, it needsadjustnmeumt. Tlmis slmounld be(lone by a qsmalitled amtificer.

NoTa.—Unntil tine “Plane, testing, carrier Ne. 7 dial sight”is in possessiomsof batteries,time field clinommmeteric-uI bephacedon time top bearimsgsurface of time carrierwhems testimugcross-levi-I.

(11

C 1-LAPTER V .—CARE OF EQUflTh-1ENT.

1. CLEANING AND OILING.

Linnsber gtmnnersslmosuld be inmtehiigent and reliable mien.

Timeprejectionss0mm time exteniorof time gum,sviuicim fommus gnmidesfor time latter wimems siidinmg mi tine cradLe,simoumld be kept cleansmmmd oiled amid mmmainmtaimmedins goodworking onuler ; all ivomkinmgsumnfaccssimoulul be sc-c-Il iubnieatedamid kept free fnonn paimst.

Tine bore shouldbe kept c-Ic-suns amid higlmtly grcase(1. Afterfiring, it shouldbe scrmubbedsvitlm caunsticsodaanmd met ivmsteu(onmo poumnid to a gallon), usinmg time piasababrushm. Whmenmdry it simouldbe liglmtly greasedwitim numinieral jolly.

- No gritty sumbstammce,suchm as sand paper or bath brick,sinommld beusedfor cleansingworking surfaces.

Time traversingare must be kept free frees mud and grit

and constantlygreasedivithm mmiineral jelly.Time pivot of time hinnber comsmmectoramsd time two dosvels

mit time front of time bed nnustbe keptclean amid well greased,and protected,sc-mile the gmmn is hum action, by canvaswrap.pings.

All spareparts simould be tmsed periotlic-ally to ensuretinatthey arein workingorder.

Headsof lubric-atorsslmouldbekept free fronm painst.~

2. List ol lubricators.

1ittiuu~to itt, Ituitrititu-ti Nut, \Otii-t sittetit-ti

1’i~t)t1

tiuug - - -

Itolleu- u-mugItttlir-r u-uugt- - --

(ttntttu’etitunt ft ui I iii itt-i-

hug lid(,i-uutlit-

Lift title of ti1

tjtt-r mutt-uit-tn of

tic-tm lulut-k.I Iii tutor eunti uuf i-ac-tm n’tullu-r unxlu.mu I ut

1i ttf unju

1rer

1tivitt ijtttu-k_

Out tup tuf thOu-I n inlic- ettuuuutetiutn_

I ~tumtttp of c-tnt-li c-un}tst1

ttttre ftum-nuttier iut-ariutgs

I ~unetcii title fur guniulr_wuuys.I em spring tut itf, ruf c-It-c-tinmug tire.I iii I n-nnuuunittni ettlitur.2 in iuraeket sup~iuuruiuug tic-c-el

seguunu-ntspiutulit-.2 run hamidwlieel sjuiiudle gear

eating.I rtnm wturun wheelgeareasiuig.2 iii Iuearings for wttrm rupimitlle,

ittttt eitttersiulut of wuurnu -51 eu uppi-r getur c-a drug,left side.2 eli Irut, re gu-ulr eulsiitg_ lu—it sitlu-_

runt gearcursing.right title.1 jut ttt-tur-iuigs futi- eievuituitg ruiiuuft

jiusiuk eurri-iagt- bracketsii un gu-tir eastutg2 tin itt-ti riitga tip ruf ut rum fuur cross

ru1

tjiutlie1 jim ciru-uilurr ettImr ruf tire rouitt.l

t u-ttuiitiuuri_2 i sut

1tpui-i tog ltruueket

4 spriruglid iubriauitturs fuw sightgear.

I eu top (tnutomammmtit)1 in feedpipe.I Iii eachouterbearingof wlmscii

insnnsilo iiiift,

Ii

a

Inn

S

4

t I(ittS~t ut —

Cut-off gu-ar

Traversinggt-tr

Elt--atitug gear-

bustling ge-ar

Siglmtiuuggeutr -

Pump

0:3

2. List of lubricators—cont.

t’iltitug-s Itt Itt, Iuulurir-tulutI. Nit ‘nVluuue uuittiuutu-uI.

lb-a r-iung, iuuret-li uuru,lu-uuuistuilint-u ISift—tv sluuuttu’i I(ui-i-kr, luiuugu’ jutirut IIluretIt seur-tuuuuttl ~tiuut-lerut tutu-u-ic-i I

Our tu1

uitt (Jt riitr_Ott uu

1i It-ft sitic tuf euuu-i-ier.

(lit 11 if Iuiiu~r-1

iuutlu-_On (ut

1u rut ui-u-i-eli st-u-i-ru-.

List of lubricators (transporting vehicles).

\ului,It_ Ntu_ \Vttui-t, sit nutn-nI.

\\‘ugttui trauus~tutrtiiigluttiritter .

I_mint-c ti-uniis1

iuurtiiug lututli unuuulu-j-uun

tlu—_

Cuu-m-iage Ira nspuuu-uing Ittndy uruttlu-u-tntlie.

Liuuubr-m-tmauus~nunmtimugbc-I

11

3

2

:m

:1 iii gt-unr t-uusinug rut tuuuvu-r iuugg-ar.

I in ituttly tttr uuliuliitg siurfutu-ut tutuaxlu-tui-u-.

2 inn gu-aru-uusiiugrn m-uisintg at-ui-c.2 iii ut-au-hugs ftur ii much Itt utile

sluaft uuf luuiuiliung gear.:1 ten

1ti c-tnt ntf ft uu eai-i-iigt-_

I i nu utxi-u itt liutuulinug -Intinu it Itt-c-Iafruunut r-muul_in axis of u-ut-lu guuiuic- rut It-i-.

tnt I nr1

u rut fuuuuuuu-nrti-k, ftui- luuturi_u-unmug Irut-kinug gn-uui-nuttuuts butt-h).

I utur c-tic-lu title fuun itutuku- gt-uum_

nt t p fruunneuuuuiiu_ futn I unit-i-un —

iuug ltut-kiuug gutr (Au-Lu-:unin tntLorJ~)5

64

2.—THE DIAL SIGHT AND CAPHIErI.

(i.) The No. 7 dial sight.Time dial sigiut ivhmc-mi issuedis its correct adjmmstnmcnmt,is-atrar.

tighmt, ivitii all cellsamid joimuts secmnr-dby sc-ross-s. It is veryunlikely that time iumterior ic-ill be requic-odto becleaned,crudtime dial sight mtmst on mso accountbe takemsto piecesexceptby pcrsonnsin possessiomsof a certificate from time ArtilleryCollegestathsgthat they are qunalitled to do so.

The body of time dial sighmt rnnmstbe cleansedwith a cleanssoft cloth amid mm little oil, whielm mustbersmbbedoil afterwuun-ds,carebeing takentimat- time glassis umot tonic-inc-ti. Time exteriorof the eye lens used wimudow simotnid be cleanmedis-itEm a softcloth or ehnansoisleathuer,whicis isunst be kept perfectly dryand clearsammd beunsedfor timis pmrrposeonly.

I)em-mumtinmo or rmmbber eye-gunandssisotmid msot be mmnmnmeces-sandyexposedto extrennesof tenmperatturo,to time strum’s raysor to bright light.

Oil and greasewill inevitably destroyriubberor dermmmatinme,and prolonged comitactwith bemtzol, petrol amid chemicals isummmdc-sirable. If, hosvever,oil and greaseget ems thnc- eye-gtmamd,it sisomuldbe ininmiediatelymenses-cd,either—

(a) By wiping witim a clcamm rag soaked ins bemmzol ci-petrol.

(b) By washingins watcr to ic-helm a little seam anmtl sodahave beens added. -

(c) By wiping oil withs a cit-au rag.(Ii.) The No. 4 carrier.

If timesight is loosein time bracketit numaybedtmo to :—

(o) Time chammspimmgsc-mew hmeatl svemkinug out- of its ueecms,sumakinngit imnmimossibleto clamimp up. Tine riumsedyisto pressthebead_intothe recessamid c-bump.

65

(b) Timebu-acketireing smom-un or st-nuniuned,owinig to is-orkiisgf-lie sight smlromit is-Inc-mm takinmg it oumt of time bracketor over-stn-aiiuinmgtime ebamnnpinmglever. 1mm thins ease

- a chunumpt-o conunjune55 fine bracketsiuounld Inc fittedif available; if nmot, cisc sideof time bracketshouldbe tappedhiglmtly arid evcrmiy witlm a lmanmmmnerbyann am-tificon, with time clarumpingscrewloosened.

3. THE BREECH MECHANISM.

(i.) General precautions.Time brceeimmtseehmanmisnmuslmouhdbe disnnantleul peiiodicauly

in orderthat it mmmay be timoroughmlycleaned.Time tiumeadsof time bnc-ec-imscrewsimouidbe fm-c-c fuonmm bnmrrs.

Simoumid timescrewnot work easilyis-Inc-mn time obturatorhasbeendetached,the defectmayoften be remediedby careful filingby an artificer, but no portion of time tinread~hmouidbe cutass-ayto teunmos-ea crack.

Time bi-eeelm should be kept coveredimp ssimenm possible to

imrevemstdust and gm-it getting into time bm-eeclm fittimmgs. Acoveris proviuledfor this p5mm-pose.

Time obturatingpad slmosmld be exiunmained to seethat tImecanvascoveringis intactandin is-or-kingorder, if tinecanvascoveris foumndto be looseor to overlapeitherof time pu-otectingdiscs, tine obturator simounldbe chmansged.

‘l’lme sparepadsinounidbekeptmmntler comnspnessiousin time boxobtumrator.

The protecting (usc-s simouid be carefully exusmninod andsinould be replaced if tine stt-el 1-insgs are en-othed,bummed orcracked.

Wimen fitting the pad and discs on time axial vent, c-aremust be takeum that they areassembledins time connect- em-den.

(ill

TIno factt of tine pad mnsam-lu-ui - - fn-t>nmt- ‘‘ mdi ommhl Inc I osvai-uls timenmunzzie. Omno on- msmone sit-u-I mnuljnnstinng discs mnsav inc reqmmin-ediuetweenmtime obturatoratud time fmmce of time Inmeechnscrew~vhemntime pad is connmitmessedby fininmg, bunt- tine obtumrator simonululalways tummn freely.

Time obtumnatinmg path shmounld be a close fut- inn time eonsedseating of time clmammsber winen the breecim is closed. Toascestaimitimis, iiglmtly c-os-ct time scatinsgsvitim a musixtmmre ofoil and tallow; close anul open time b,uc-echm ; time oumterend oftime padsimounid becoveredscitim gm-easefmommi comstactsvitlm tinegreaser!seatingof time cimanaber. if it is fomrrmd that time paddoes niot fit time semstingclosely, amijusting discs simouid beaduled umustil tine bneechm closes withm sonnue diflictnhty. ‘l’imebmecclt simomuid thment lic~ opemut’d annul cioseul nmustih it workseasily. ilefonc umse,tine.padamscl discshmoimiul be ic-i-il eec-u-u-c-uissith tallow.

Every olnportunmity slmoumlui lie takc-ns to keep the obtun-atorand axial venst cool. Timid cans be done by pouninmg watt-nover it in positionm,em- by sounsimugit timonoungimly smith a sponngecloth dumingem- after fininug. -

Tint’ obtmnrator sinotnimi nmever be disnuuanmthu-dsrluenn hot ifthis calm inossihuly hut- nsoiuleuh.

Wimems a mmcmv pad is littetl it usiustbeexpamsdna(lsritin a fullcimarge. -

(ii.) To dismantle the breech mechanism.Before rc-mmsoving tine unuechmanmismms time breccim mummust inc

openseti,lock anmdslide inox neumnovt-ui,mmmmul time breech mmnecliammismssswmunngmite hut- loading positions.

Vu-nmt axial, safety slnuuttt-n aumd obtunratom-:—Hemusove timeIcc-el) Jmimm fnomnn tine pinm retaimming axial vcnmt isunt amid safetysimmutter anmul witimuiraw tine lath-n c-lear of time recessc-sinn tine

(37

axial vcnnt mutut amid smtfet-y shuntIc-u-. lJnmscrt-w time axial vu-nmtuntil rund nc-macvu, it to time rd-an. Itenusoi-o time sprung vomitaxial. Witimdnaw tine axial vt-nmt unnmd obtunnator fi-omum timefr-our t c-unn.l of time lint-c-elm sc-nc-mn-.

JIm-eu-c-inscrew:—Imnsi-t-t- a scrowuhm-iverins tine slot of tine pincctuatimmg retilmmnimng nlate, pt-c-as imi time pium ummiul pam-tiahiyrevolvo it try inmeamis of time scnosvulu-ivcr mnumtil tine inndicatiuugmini-os” oum the pima cornesinonmuis wit im tine mum iddhc, of thi, worth

thisumnamutle‘‘ oum time Jim-eec-it sen-c-mv. Witinuhn-asv tIme br-c-eelsscm-c-mn’ froun time fm-oust c-msrl of the earl-ion-.

Roller :—Reumnovetime let-c-p pimm anncl toilet- mmxiii pium, amidwitinciraw time roliem-.

Les-er hrt-i-cIn mumu-cimmsntisuuu:—1 cunsovetint- keep ir inn fm-unmum tinelei-c-r, amid usnnt fm-cmnit thue cm-mn mmksimutft-, annul wit iur it-ass tint’ lnrc-ecEmnnnu-cluanmisnnilevi-n.

Lever br-eec-is mmieelnammisuns beam-immg, cm-aunkshmaftannul enoss~inc-ad :—Reunose tine hoc

1) pins is! the bri-euaim

mumu—cinammiinum lever Imeam-inng st-c-mr-mug hunt, annd sm-itludrast- I hurtst-cmuninmg burlt. Wit lid n-must- tiuc- lurmtni mug minI crmmmnleslummft fncunmlit’ cannier; at lIme summint- Ii mume remununvit tint- crosnuineatiIn-onus time

innnut-n ummul of tint- mr-usuriesInumft frtn no i unsick- thin- i-ut rrion.‘uurniu-r :—lJnuse-u-nsm I inu minimiii ni u ng st-ru-mu-, annul mmdjmusti mug sc-rd-u’

rut Inuril inu-aniumg,ummurl ss-itituiuaw mmdi Ineunniungst-cumn-iung talus unnnulI rumII 1mm-ar-i mug fnonnu r mini uum hung. lJn maim-c-st 11mm ru-tntmmi ung sm risefm-ruin nminiru-r lug nnunnl mt-il lid maw tint- luug isil In nnppu-m- n-ruihimugiruunuiuug. Umuac-ru-sv tint- ciunmunpiung ac-r-ss- annul m-u-tnmiuuinng au-n-u-mvtlnr lowu-t- munhiun mu-ar-mug, nnunti mr-it lurlummis- lrnmu-n-n murllt-n hnt-nmrimig,

Inn-mi m-c-lnnunsu-liii- u:nruim-n fnmnnun lutist-n- lung unf hr-i-u-cm nimug.

(Lii.) To assemblo tho breechmechanism.

‘line lint-u-elm nunt-cinanniauumis nmunsu-umnlrlc-ul un thu n-c-st-mac-urudun.

(Lv.) To dismantle the lock P.H. and slide box V.To removetime hoc-Ic annul slide box :—Open the lock. Re.

nusovetime screiv sec-tiring slide box. Unscnesvtime lock antislide box from time stemum of tine axial vemmt Inuusim spinudle.

Tine remunovetine lock fronum time slide box :—Removetime axissc-nc-is-of time extmactor. l’ress doss-mm time knnob of tine ~ulunnngerm-c-tainminmg c-mitch, timeis timrmm time actunatimnglever to time uninenmpositions amsd remnmove time lock amid extractor frommm time slidebox.

To ciisnnmanmtloor ehmanmgetime striker :—Rennmevetime lock fromnstime slide box. Umnscrew tine actunatinmg lever (left.imamsmlemlthread). Renmsevetime Icc-c-p lulls of time striker cap ammd withm.drass’ tine car). W’ithmuinaw time strikc-r froums time actuatinmghuts-c-u-. Unscrew tint’ ununt stnikcr. \Vithmdrasy thmmt rebomumudcollar, mmrainmsprinmg amnd mnmainmsprinng collar fromnm time strikerspinndle.

To dismantletime actuatimmgic-vet :—Rcmnuovetime ku-c-p pins.Renniove the pin guide retaimminsg cati-im. Witincimaw time~niuusgerammcl spring. -

(v.) To assemblethe lock P.H. and slide box V. -

Time lock and slide box mire asscnmnlnieciium time reverseon-tier.

4. RECUPERATOR AND BUFFER.

General precautions.

(i.) Before firing.

Care should be takemm to -see tiunmt time rc-etminu-n-mmtor uummulinumifer arecorrectly cimamgc-nl, that tiuu-nn’ is no-hc-alemtgt- mit limostuufling boxes,that time bmuflcu cyiinmdcm is fimmumly .mmmuttu-cl nm to

69

tIme immg of time gtnmm amid time piston rod to time fncnnmt of timecradle,that time n-ecumlneummtot-c-ottemis ims position, tlmnst time cut.off gearis in acijustnsemstand that use 1cc-c-ppins aremissing.

It is mmecessaryto strains time oil befome clmangirmg time recur-

1ncratoror buffer.During severe su-eatimer,mecmrperatonsand buffers ahmouniti

beprotectedasnsuueluas inossiblefrons tine cold.Recupcnatoraunt! buffem- eylinmulens shnounhd be wasimed etmt

ivitim paraflmni to rcunove grit as op~nortmmnnitieumoffer.

(ii.) In action.J)mnninmg actions t lie fumnmctiomminmg- of limit m-nystenmn simoumlul Inc

cau-t-fumily svatcimedannul stepstakennatonsi-ut to nu-nunetly ciefects.‘i’Imt’ followinmg ar-tn time inner-un conununnonu fatnlts :—

For ammy giveum fmmuult time custusesamid ni-unuemlim-s ale set otmt inntIne set~isenmc-eisimicis shiomulti be fohlosvm-ul to ascemtmmimm liii’putrt ic-mm lam caumscnann n-manic-dy, so t i mat tiuc- siinn pleat umnmul nmmostu-t-athily rc-nnntnvu-demuusesnnnay mc- c-limnsinsateul befmnme ~unocc-euiimngto I ho nunmmu-c’ (lilhimtumlt.

J’uunil t . Cii mist-. Ru-unit-tic-.

l{t-u~tuiI virulm-umt -‘tic in innutTm-m- u’~-iiuuu1r-r ,. (tint-u-nut,- nuuniftiuug sunlit-.[uusnutliuiu’nnt hin~mulrl iii iii 1 IuumlTu-r un mmd ttumult.

IrnulTerR5-sturn.iSeduncedair Iuus-snuuun-ui iii in-it- arid rr’n-lmnnrge re~

ru-ruls-runtor. run~rurtutmr.

iltiuji _xei-unintr \\r’urr-mtf1

ti~trun nun rurli n ~uijni-’t_it_u i-nit —nut1

gram-liuntimu mur-_umly 1uuuluty __ 1111 iuunllr-r- rind tunuuk.

70

Fmnult. ttuun,e. Iteunnenly.

lit-until situ ci - - - I tunnun uguul ml jilt-s - - - l-~xurru turn— mmmii ru—1

ruuir.EuuiuSsjvi uu ir

1rru’ssuuru- - - - ‘rn-sn mini (-s

1nnIsnirpluns.

\Vruunuglv set u-nut-it gear list u,muul unuljnust gnurr_Exit-ma nut Iiujutiul iii ri— ‘ti-sn uu umui u-et-lmtnrge ne—

enuinen-nutrum. - u-nnlnu-rurtnnu_1nu-kingstnt t iglut - - - llu-

1u-u-k_

ilnuin unit slunnr tiuig unutjniatiuug u-ruin—n-tint Enulunrgelitmus nnuijuit-turri-et-

inurisu-u grit unnu slides ._ - Ilennuovu—unjusti-ntu-t mm.I li-hint-ti nu jr

1urn-ssnmrr- .. ‘I’m-st mmmii unuljnmsI prt-ssumr-r-.

L’ncI~insL’atitun tight ltm-jntrek.

]Sninn—unnitm-jnnk’ntt - - - l’lutg unuljun-ut jung r-nunn-nunut Exu-liunuign- wit it ~ntnugwithituu-uui-rn’r-t - ,m,nuuniiu—r that 5,

Ex-u-s~ivc-air hiressriui- Test tuund expelanurpluutu.

1~uihrircto limit runt ‘[‘nun nrnumu-li hit!ntjti inn ()pi-r-urtesuniftinug c-uric-i-.hut mr-c.r jim iunnttrr O;nertrtesuuitnmug i-uI vu-.

linug unuljur~nuinugu-uuni—utuut l~xuuunuiiuu- unit-i u-t-luluti-m-ntnust-ul. ~uluug.

hitnursnun grit mu sUites IU—nunuuvr— uiustn-mitItnitnunu—ni ru lossuint- mi lu-st umnnul uuuljuist

1niCs~nmit_

i-u-u-milan-tilttI’tncIin_Zs tutu tii~lut __- i’u-juunu-iu_

Nueru:_—~-—Iln-ttuut-uultin- iru-u-ssmnm-n’ nunutv inn nut mu rim- utinumun, tn nuiuiV Itt utnuttunti

Inn- hr hugemuf Iitjuiiul Irunnu i_n_i- nu1

nur:nt tim thus inmet-isu’ turnu_an- tuiuuunutui inn’ tat-un—u aunt-ui.

(iii.) When guns aro resting in action.Cool time bunn-e. Ailnos’ unit- to escaimefromum thur buffer by time

muir- rd-li-usc s-mnlie. II e~nit-u mint [u (-lie bunilcu- if nuec’essurny. ‘light i-nm

1nnnm-kimugs if nuecc-ssnum-y. Tt-st time air lunc-ssmnr-emuffin time gmumnhints

CoOh(~ul.

71

5. THE RECUPERATOR.

(i.) General precautions.

Before menmmoving time recunperat-om- cotter time appar-atmmiisc-cnnriung tine r-einnpemat (mu unmums I nuntnt Ire Ii xcnl.

‘fine guns umnust nt-vet ho fiu-eul if thtn aunmoumnt of leakageindicatedby time tail rod excec-d~S pinmts,om if limit aim- mnritsanureis belosv 330 lbs. a sq. ins.

(ii.) To charge the rocuperator wills liquid.

Sccmmno tine gum to tine eummulle by time bnmfTc-m- lockiung lniimamid elevate time gmmn alnosit 5 degu-ees. i)isclmumnge any airpnessmmneinn time air cyiinstit-r lry n-enunovingthue closing ~ilungamid openingtine my_pass valve. Pmmslu tine tail moul inmto timeair eyhinnler as far as it will go. Reunos’o time lilliumg mmnsdair mole plungs.

Petmroil throungima fumnmnsehunto tine fdiiumg hole unmtii it over—floss’s at time aim mole. Reinlacetine plungs-.

Ahommt 3~~niuntsof oil an-c ueqnuimenlto fill tine m-c-m-nnpenator.

(iii.) To charge the recuperator with air.

Secmmretime gum to tIne em-auhleby time bumilcn iockiusg1

miui amidelevatetine gums ahoumt 5 degmees. liemunovo time elursinug ~mlmugammul consunectup time pmeasumr-tngasngeanmda-it hnmnnmm1~.

Siumckemstime iockimmg maul, openstime by—passmaim-c anti lmmnunsmuntil tine gaugemegistens500 lbs. mu Sn!. in.

Siackc-uutime filling ~nlugomne tsurnm mmml allosv hiqumiti to c-sc-alsounstil time tail rod lusdicatormeamlszero. Scm-c-mm’ imp time fillingholepluig.

Close the by.pass valve, disconnmnecttine mniinc fronms tineanlaptem ann piusec tIne calm mnns thue atlaptc-r. Lot tine pressmmre

72

down sioss’iy to 475 lirs, a su]. in. my opc-niusgtime bv-lnasnnvalve sligimtly annul slaciemnmgback tine cap on time anlnsptcn.

Wimensthe pre~smmneu-c-ails 475 ibun,, close tue by-passvalve,tightensthe lockunmg nuit, reunovetime atlapter with l)messuinegaumgeand replacetine closingplug.

NerE.—Tine nec-operatorshnounld ire tm-s-ted In) sm-ut thmnmt tIneair anti liqumid do mmot get pasttime floatinugpistons.

(iv.) To test and adjust for liquid in air cylinder.Secunnetime gums to tine cradleby tine bunifer hocking pins aunmi

elevateto alrommt 25 degrees,reunsovetime closmungpimig mmmcl openstime air i-aim-c about two tumn-nns.

If air alone escapestimere is no leakage; close tIne valve.Slmounld liquid simosm- allow it all to escapebefore c-los-Lung timevalve.

Recimargeivitlm air in time usual is-am, mull to tine correctpressure.

If leakageof oil into time air cylimmder countinmumestime pnmckimngof tise fioatimmg Inistonm umsust be exanninnedannul reiniacemi ifmmecc-ssary.

(v.) To test and adjust for aeration of liquid in ro—cuperator.

Sec-miretine gtnui to time cradleby time bumfier Iockinmg pin antielevateto msbosut5 degrees; unsscresm’time lihliung plungonetmnrnm.If hiqmnici flows, close time plug, bunt, if frotim appears,air humusleaked mite tue liqsnid. Ailesv time frothm to blosv omit mmuntilliquid floss-s, then close the plug and ismalce up loss of oil inI Inc umsual mmsanumer.

Sisotnldtime annsotmnstof frothbeexcessive,it will benecessaryto strip tine recmuperatorand to exaniimmc- time packinmgs,re-placinganmy tinat mnmay bedefective.

73

(vi.) To test the air pressure.Removetime closingplug ntnd attachmthe adapteramid pr-es.

sure gauge. Blank the ommter end of time adapterwitim timecap. Slackenthme hoc-Icing nut, openthe by.imassvalve andtime gaugeshosmldregisterbetween350 and475 lbs. asq. in.

If thepressureis correct, c-lose the by.passvalve, tiglmtenthe locking msut, renmiovo the adapterand gaugeand replacetime closimsg plug. If time pre~sureis bc-lois’ 350 lbs., close timehny-J)assvalve, conumectup the air puunp anti mnalco sip time

1rnessnnreto 475 lbs.

(vii.) To replenish air pressure lost by leakage.Proc-c-c-ti as for chmarginng time nec-operatorwith air, but,

before openingtheby.passvalve to achnumitair to therecuper-ator, Jnumnpthepressurein time pipe up to 475 lbs. a sq. mm.aIm! sc-mn t hat time correct- amnmouunmt of liquid is mm hunt rccnn-pt-rater.

(viii.) To empty the recuporator.Sec-sri-ctime guru to time cradleandelevateabout5 tIc-gm-c-es.Discimargethe air pressureby removing the c-los-lung

1niung

amid openingtheby-passvalve.Reusmovotime air mole plung andtimedrain plumg, andallosv time

liqusidi to rums out into a s-mutablevessel.

(ix.) To replace the tail rod packing.Securethe gun to time cradle ammd emumpty the reculmenator.

Umspin and remmiove the imsmlieator tube fronms the crosshuead,andreumsovetime stopplate from time front c-nm! of time taii rod.Unscrewtheglandanml renmsovotime packimigwitis itssupportingrings. UnscrewtheprotectingringammdremovetimeU wasinerswith tineir supportingrings. Bc-nc-mvthe defectiverubberorpacking anti replace time glanti, paekingsand rings, takimmg

7-1

care timat tine pac-icingsare unot daunnaged. Replacethe stopplate andinsulicatortumbe, anmnl re-chargetherecuperator.

(x.) To replace the ram packing.Secmmretime gtmn to time cradieand cmnpty time recuperator.

Unpins anti reumsevetime imsdicatorttmbe. IDiscoumunecttime ranmfroussthecrossImc-adant! for-ceit into tineair cylinder. Remmmoveand renewtine packingsas describedins sections5 (ix). Drnswtine rains to time front and connectit to the cross-Inc-ac!,replacetime inmlicator timbc-, ansdre-char-getime rccumperator.

(xi.) To renew the rubber packings on the head of thefloating piston.

Securetine gmnnm to the cradle anud eummptytime nc-c-operator.Unpimm amid reumsove time insilicatom tumbe austi cnosslmead,amiddisnnanthetime tail rod gland anmu1 rauns glammd. Renmmoie timerains and floating piston to tine fromnt. Unmscnesm’ tine c-ollumr-ssec-turingtime rubberson the floating piston mint! renmiovo tiseunnwitim tinein supportingrings. Renew time defective rmmbberandreplace time rubbers,supporting rings and s-cress-edcollars.Replacetime floating pistons amid ram in - time air cylinder.Replacetime rammn gland and c-ross-inc-adand commnect tine raumsto time cr-os-sheath. Replacetime tail rot! gland and indicatortisbe, and re-c-mangetine rccsiperator.

6. THE BUFFER.(i.) To fill the buffer.

Remnuovetime air munch filling mob plmmgs- in time tor) of timetanic amid elevatetime gun abouut5 degmees. Pies-sjut the aimreleasevalve and pour oil into tine tank uumt-il it overfioss’sat time air releasevalve. Releasetine valve, flu time taumk, andreplace tine air andfilling hole plugs.

About 12 gallons of oil are required to fill time bumifer andtank.

I_n

(ii.) To empty the buffer.Eles-atetime gun about 5 degrees. Remove time air hole

pltmg of time tanic and time mln-ain pitmg of tine buffer cyhinstlen,annul run time oil off.

If it is desirem! to emapty time intmffer comapictely, time gmunis depress-edandtime stufling box menumoved.

(iii.) To tighten the gland.Lay time gums imot-izontal. 1)iseumgagetine hoc-icing plunmgen

anti tiglmten the outer gland by nnieanms of time spannerpro.~-idc-d. Re-engagethe lockinmg plmmumgem.

‘rime glandsinould not beever-tigumtcnscdas timis umnay causesc-izumme.

(iv.) To ronew the packing in the buffer gland.Ennspty time bumffen anmd elevate time gun about 5 degrees-.

Discomsnecttime jmistoui nod fronms time fnont bracket and timeactumatinggear-from time piston mod. Uninolt anti renmiove timefront bnac-lcct anti rennovethe sccumningcollar from time pistonnod. Disengagethe locking plunger. Unscrewanti rennovothe outer gland, supporting rinmgs and pac-lcing. Unnscu-ewand nc-move time inner gland and L i-umlnber. Bc-usc-sm’ timedefective rumbber or packinmganti replace tine glands,paekimmgsannul m-inmgs, taking c-aretimat the packings are not dannagemiins passingover tine screwtlnreads of tine pistons rod. Be-asseummbhotime seeuninsgcollar bm-acket andactuating gear,antirefill tine bmmfIer.

(v.) To renew the L washer in the stuffing box.Pu-ocec-ilas in sections0 (iv) ; after removing tine glantis-,

remnsove time locking plato amid sins-crew tine s-tolling box,together witln time defective pac-kinng and sumpportingring.Reusewthe packing. Replacetime ssmppor-ting ring,

1nac-kiumg

mmml stunfuimig box. Re-as-sensibleannul i-c-fill tine buffer.

70

7. THE AIR PUMP.

A dust cover is provided with time pump. Time covernmustbekepton whenthepumnpis not in use.

Tine water jacket must be kept filled when time punmsp is-ins action. In cold weatlmer empty the jacket innnmediateiy

- after actionandclosevalveA to preventdirt andgrit enteringtime cyliuder whetsstanding. Open againswhen putting thepd~mpinto action and set the sight fec-ti lubricator t-o giveeight drips per minute. - -

Bc-fore clmarging the recumperatorit is advisableto test tinepump system as follosvs :—Close time air clnarginmg valve ofthe rec-uperator. Womk the ~nuumnpslowly unmtil time gaugeregisters500 lbs. a sq. in. If t1n~system is in goodwom-kingordertime gaugehaunchshould remainstationary,or only creepback very slowly. Should time hand fall hack quickly tinesystem shoumidbe examninedfor extermialfaults. Faults ma)’be located by sussearingwheel grease over the joints ; airbubbleswill beobservedivimero tinere is a leak. -

Greatcareshould be exercisedin smsimmg tine gauge. \\ientakinmgor releasingpressurethevalveshouldbeopenedgentlyin orderto preventdamageto thegauge.

If thepunnp emily gives20 lbs. pressure,valvesB and C arefaulty. If the psimmip only gives 200 lbs. pressurevalve Dis faulty. If no air is delivered valve A is faulty. If thevalvcsare proven!to be in order, look to the packingrings oftime piston. In time eventof valve 1) going ount of order,antino s-paresbeing available,replaceit svith valve B ; valve Csimouldnot beusedfor this purpose.

If mseeessanytime valves should be lightly ground ins anulcoatedwitin tiniru oil.

II

‘3

-9

04 ~0~~

.3-5.

u4~

is

-,-o~-—3-,-

is’—

cc

7S

APPENDIX.

WEIGHTS AND DIMENSIONS OF LOADS.

1. The bed.teums-. curt. qrs. lks.

Dcii -i 1 3 15Carriagetrains-porting 0 Ii 2 211 dranmglitlink 0 0 2 821i1tingscrews 0 0 3 2Limbertraussporting 0 17 3 22ilifting screw 0 0 1 5

Tiutal -i 13 0 17

Earthbo~ 0 10 0 3Derrick 0 2 0 16Platfornmm 0 2 0 27

- Totalweight travelling 5 16 2 7

Weight on froumt axle 2 13 3 7Wciglnt-oumrearumxlo 3 2 3 0Measurementtonnage 23 10 0 0

Totallengthwithountconnector 20 It, 9 ins.Totallengthwith connector 23 ft. 1 in.tires-tm-stheight(top of wheels) Sit.tires-testwidth (endsof axles) Oft. 1 in.Wheel base 14 ft. 6 in~.Wined track 8 ft.Angle of lock, right 39 degrees.Angle of lock,left 40 ulu-grees.Turningcircle (diameter) 54 ft.

79

2. The carriage.touna. cut. qrs. lbs.

Carriage 4 19 3 14Carriagetransporting 0 15 1 14Liunluer- trumnspom-ting 0 16 0 82liftingscr-ews 0 0 2 13

Totalweigluttrumvelling ... 6 11 3 21

Wrtigimt on froumt axle 2 8 3. 14Wi-ight on rearaxle 4 3 0 7Meimsurenumenuttonnage 41 0 0 0Total length withoumtcoumi-clor 19 ft. 8 ins.Totallengthwith connector - 21 ft. II mu.Greatestheight(top of gravity tummnk) Oft. Sins.Greatestwidth (endsof umxles) Oft 1 in.Wired base 10 ft. 9 ins.Wined track 8 ft.Angleof lock, right 30 deg.30 mm.Angleof lock, left 36 deg. 15 mm.Turningcircle(diameter) 25 ft.

3. The gun.tons. owL qrs. lbs.

limo with breechfittings 4 5 0 17Wagontransporting 2 6 0 17

- Totalweight travelling ... 6 11 1 6

Weighton front axlo 2 15 2 6Wrtigiut on rearaxle 3 15 3 0Measurementtonnage 26 12 0 0‘rotal lengthwithout connector lOft. 6 mis.Totallength with connector 19 ft. 3 ins.Greatestheighut (top of gunlmmg) 7 ft.. 2 ins.Greatestwidth (endsof axles) Oft, lie.Wiuecl base 8 ft.Wheeltrack 8 ft.Angleof lock :17miegrer-s.Tnmrrmingcircle (diameter) 35 ft.

Thediameterof tineturning circlec-f time thmreovehiclesem trumin is Sift.

4. The Holdiast platform.

2 mli~mgoumumI l’eauuns - -

2 louigituudiunalbeummu-,I eros-sbeumI skid,eros-sbeams2 diagonals-nays-iSplaunks2 wheelgimides8 pegssecmnrungbed -.

i~o1ts,&c

to~us. cmvi. qrs. lbs.0 2 nO 41 IS 2 t)0 II 2 70 3 0 5-10 o a a0 50 2 4

-- 0 -m :1 20 6 3 ~40 0 3 16

4 I 2 18Total

Diagonumi beumnuns,es-elmLongitudinalbeams,es-rim . -.

CrossbeamSkid, er-os-s beaml’lanmks, es-eliWheelguide)

14 It. X 12 ins. x 12 iums.Il) ft. 7 iums, )< 19 inns. X 11 ins-.14 ft. 6 ins.x61 ins.)<101 ins.Sft. x 12 ins. x 12 ins.10 ft. 7 ins. X 10 imus. X 3 ins.lift, lOins. XIII ins. X 2~inns.

,.s..~—U1ikn.A$Yd~1vzC~O~j~

Printed undertheAuthority of TIns MLJES?Y’SSrArIoreanwOizioniBy harrison& Sons,Ltd, St. Martin’s Lane,London, W.O.2.

(B ~u7/mi)iTt. 596Sni~49i8/iO272250 1/53 II & S LW Op. 27