T I I E

FRANNL][N 50VRNAL A N D

A~EN¢~[(,AN N[E C}][ANi[CN' N~[A~AN~NN$ D ] < V O T E D T O TI-IZ

"USE~U'L AX4WS, ~NTEET~"~L II~PROVENENTg, GEBTER~ SO~EB~aE~

AND THE ~I~COFCDING O~

A~E~{~CAN AND OT~{E~ PATENTED ][N~EI~T~O~'S

¢kU(;-UST~ 1 S28.

©n ghe blow~%~ of .~'ir {nto .Furmtces by a ~d[ of H'hte~ :B~I ~ e

[Coathmed from p, 16.]

~X'PFA"~~(5~,~ X"r':~ cvp T t l t ~ PRO Y © W I ' I O N A L BOI~.F,S 0lv TI-?~E F U N N E L A N D P ~ P t ~

W r . lmve atread ~" seeD. ~hat nn i e s s the throa t o f the f,~nnei i s /es~ than Tho . i , ~ . tlm (man t i t v ,,[ air car r ied d o w n will be incons ide rab le ;

9.n(l

a/so and wa~ posi

t he pip~ as I~ ~OF 5

i m usir whi

]J

efi~ a rd C U t~

i t i: the

~OLo [,---~ O. ¢ 2 . ~ A u o u s % 18~8, 10

74 On B/as, t Blowing b!/ ~neans o f Tf~:der,

the differences io the height of the gauge were ~~ot very corlsiderable: the due proportions seem to lie within t}iese b o u n d s ; and perhaps nearer to the la t ter thart to the I%rmer; for when the fl.mnel was only about the sixth par t of the area. of the pipe, the gauge stood! rather !~igher lhan whom it was a third par(i from whence, the proportion~ should be as one to somewhat more than four And a hallo

Experiments (if" dvidix,:¢; ~he strea))~ so as to increase its ~qi~ets~ and render less "mater s'%//Tciez~t.

As the e¢Fect of these kinds of macMnes depends on the water be. irlg spread ar.id divldedj atv! !lie a}l% which comes in lo 511 tile iilter- slices between the liU.l~, Stl'eairls~ o r drol;s > v>,idch compose the jet, beil~g p.~,,hcd dow/l with veh~eify, b Z I.i:le s.cceeding watei'j [ have e l lde3.yo / l re t ] {() { t i v l d { ~, t he s t i e a d l l/lOFe e f f e c t u a l l y than is done i l l /lit: COlllnl()ll ln3.cltille,~;l ~IAII] wkh t i lde or ~ao climii~u{ion of its velo- city, by var),iug the form of the apert/nx; of the ihtme/o

On tile oritice of t h e f u o ' l e ~ I titled a. perforated t~l t)la£e~ like . the holes }al'~e)~ a . t ot a tri- the nose of a vcaf;el ' i l ]g [)ol;, but with ,, • " "

ari~iJlar fit(i.11>oj UIis figure was chosea <m 3ccoullt: o f i ts great St:!l°fi.tce; water passi~lD1 t h r o u g h a l r al!o't , l' ;.,[)e.l'(t r: ' h a v i l o. abe t a tt l l id part < . c L • . . . . ~ ,

Inol'( ~, bill>lace el i 1} { i l( ]~}1 (i. cll-cui}tF on{~ o~ e q u a l a r e a : s o m e ]f~lOl'8 ho les were. lri;.,.(le r o u n d the s ides , in s u c h pc~sitior~s that the s t r e a m s issuing f}'om the higher holes miy..'ht m) ~}i'vre fiitl upolb or coincide with those t'conl the lower olies: belt that the water might be nM[i)rmly ~tisl)ersed through tile wJtole c~[vity of the plpel tI 9) this division of the water it was made to fill a much larger bore than otherwise~ and to produce as great an et~kct as tile filll quant i ty of fvater which the same pipe would otherwise Mve requiredj insomuCl b that quanti t ies of water which had li t t le oil)el in tim eommoli way of application, were by this contrivance, made to viehl a strong bl,ls~,.

This method is, how¢ver, aecoml~ar:iied by an inconvenience, which often showed i tself in the course of the exper iments ; and whieti must be iilore considerag.le, ill the continued working of the ma<..'/~ine. After it had Acted Vigorously t~r some time~ its action treflt~.e~itly" abated e t a s ' iddenj the blast from the blowing" pipe grew weak~ and. the gauge sunk: sometimes its fiirce increased again in a lit t le wldIe~ but, tbr the most pare, it continued to diminish more and more. T h e cause was discovered to be bits of lea.yes, and other l ike matters, wlfich the water had carr ied into tDe funnel, al~d which had ia part: ~topped up tlie small apertures. The remedy was obvious, ]ettin N the water p a s s froth the reservoir through a w~ire sieve, whose h o l ~ were much fiaer tDan those of the funnel; and doubtless An expedien~

the same kind wouhl 31nve e fhc t ~e n ine o f ' ." " : I " ,"i ual tbr the t a % . s t l ach' .s. l~; is in all eases adviseable, to have the u a t e r pass• through a <grating.+ heft)re it enters the flUinel,; even the common l a rge aper tures being some!fines choked up, by matters Wlfich tile stream brings Along wRh it. Where scantiness of water~ or want of so high a fifll as is ¢ommot 1 re( a n e d , ersuade t ~ o Y : I " "' p • o t t is contr ivance for p r o c u r i i ~ a more effectual d iv is ioa of it~ and for auginentin<, i t s Dower, wi th"i t s sur° faee~ two n~ t l i iee O'l~ltlll<tS Or I 0 . . . . . . s ~" g , , p e , t rated plane% with apertures o¢