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M.L.l. SmaH arms and machine guns, as follows:(a) Rifles, carbines, revolvers, pistols, machine pistols and machguns;(b) All specially designed components and parts therefor.Note: The Export Licensing Branch will consider applicationslicences to export snlall quantities of srn,all arms such as rifles, shguns, carbines or pistols designed for sporting or ornalnental purpoand amlnunition there/or.M.L.2. Artillery and projectors, as follow-s:{a) Guns, howitzers, cannon, m o ~ u a r s , t ank destroyers, roclaunchers, military flame throwers, recoilless rifles;(b) Military sm,oke, gas and pyroteahnic projectors;(c) AB spe'ci'aUy desi'gned components and parts fo r tlhe foregoiM.L.3. Ammunition, and all specially de&igned com,ponentJsparts thereof, for the weapons enumerated under Items 1 and 2.See Note to Item 1 above.M.L.4. Bomb'S, torpedoes, rockets and missiles (guided orguided), as follows:(a) Bombs, t011'edoes, grenades (including smoke grenades), smcanister,s, rockets, mines, missiles (guided or unguided), dechaJ:1ges, fire bOffi1bs, incendiary bombs; and all specidesigned components and p'arts therefor;(Ib) Apparatus ,and devices speciaNy designed for t!he handlcontrol, activation, ,launohing, 1aying, sweeping, discbargdetonation or detection of items enumerated Iin sub-itemand all 'Specially designed components and parts therefor;(c) Military fuel thickeners specially formulated for the purpof producing materials whicih, when added to petrol eum p

ducts, provide a gel-type incendiary material for use in bomprojectiles, flame throwers or otlher implements of war.M.L.5. Fire control equipment and range finders, as follows:Ca) Fire control , gun laying, ni,ght sighting, missile t rackingguidance equipment;

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. A.E.29. Gas centrifuges capa-ble of 'the enrichment or separationIsotopes. .Note: The Expor t Licensing Branch will consider applications flicences for the export of gas centrifuges special ly designed for indutrial use and no t suitable for atomic energy production use.A.E.30. Blowers an d compressors (turbo, centrifugal and axial .flotypes), wholly made of or lined with aluminium, nickel, or alloy cot1aining 60 pe r cent or more nickel, and having a eatpacity ofcubic feet pe r minute (1,700 Htres pe r minute) or greater.A.E.31. Electrolytic cel ls fo r t he product ion of f luorine with

production capaci ty greater than 250 grams of fluorine p er h oumajor components thereof.A.E.33. Heat exchangers sui table fo r use in gaseous diffusiplants, i.e. heat exldhangers made of aluminium, copper, nickel,alloys containing more than 60 pe r cent niokel, or combinationsthese metals as clad tubes, de'signed to operate at sub-atmospheric presure, with a leak rate of less than 10 ~ atmospheres per hour underpressure differential of 1 atmosplhere.A.E.34. Artificial graphite, in the form of blocks or rods frowlhich a cube of 2 inohes side or greater can be cut, and havingboron content of less than, or equal} to, 1 part per million, ttotal tlherm1al neutron absorpt ion c ross section be ing less than ,equal to, 5 milliharns pe r atom.Note: The Export Licensing Branch wil l consider applications flicences for the e xpor t of subsequent shipments of artificial graphfo r use in reactor s exported under A.E.36.A.E.35. Lithium, as follows:(a) Metal;(b) Hydrides, in which l ithium, whether normal, depleted or eriched in the 6 i sotope, is compounded with hydrogen orisotopes or complexed with other metals or aluminium hydrid(c) Alloys, as follows:(1) Magnesium-based alloys containing 10 pe r cent or molithium;(2) Containing 50 per cent or more of l ithium either normor depleted in the 6 istotope; or(3) Con ta in ing any quant it y of lithium enriched in theisotope; or(d) Any other material containing lithium enriched in the 6 isotopincluding compounds, mixtures, an d concentrates.Not e: T he Export Licensing Branch will consider applications fl icences for exports of shipments containing up to one kilograml ithium metal no t enriched in the 6 isotope or up to 10 kilograof lithium hydride, either complexed with ot he r metals or not,wh ich t he lithium is no t enriched in the 6 iso tope and is no t copounded wi th t he heavier isotopes of hydrogen.A.E.36. Nuclear reactors, Le. reactors capable o f ope ra ti on s o

to maintain a controlled, self-sustaining fission chain reaction; majcomponents designed or intended fo r use in a nuclear reactor suas reactor vetssels, core support structures, coolant pumps, fuel elemehandling equipment, heat exchangers an d control rod drive mechaisms; power generating and/or propulsion equipment no t elsewhespecified, specially designed for use with nuclear reactors.Note: The Export Licensin,:: Branch will consider applications flicences for the export of civ il research and power reactorscountries that support the International Atomic Energy AgenSystem of Safeguards.A.E.37. Hafnium metal, and alloys and compounds of hafniucontaining more than 15 per cen t hafnium by weight.Note: The Export Licensing Branch will consider applicationslicences for the ex port of individual shipments containing up tograms of contained hafnium.A.E.38. Calcium conta in ing both less than one-hundredth (0.0per cent by weight of impurities o th er t han magnesium and lethan 10 parts pe r million of boron.A.E.39. Tritium, its compounds, no t elsewhere specified, and thmixtures i n which t he ra ti o o f t rit ium t o hydrogen by atoms exceeone part in 1,000.Note: (1) The onl y compounds and mix tu re s excluded from tembar,::o by th is definition ore tho se where the separation oftritium from its compounds cannot result in the evo lu tion ofisotopic mixture of hydrogen in which the ratio of tritium to hydgen by atofflS exceeds one part in 1,000.(2) The Export Licensing Branch wil l consider appli ca tionslicences for the expor t of individual shipments containing up to 1curies of tritium, except as limited by sub-item (b) of A.E.35.A.E.40. Neutron geneTator tubes designed fo r operation withoan external vacuum system, and utilizing electrostatic acceleratito induce a tritium-deuterium nuclear reaction.A.E.41. Process control instrumentation, no t elsewhere specifispecially designed or modified fo r monitoring or controll ing the prcessing of irradiated fissionable or fer ti le materia ls or irradiatlithium.

Licensing Branch will a lso consider appli ca tions for' ' ' ' E x p o r ~ h e export of subsequent shipments of fuel for civillicences lord ower reactors exported under A ..36;'$torch an p !re terium and compounds, no t elsewhere specified, mixturesA.EJ peu ontaining deuterium, including heavy water and heavyand s o l u t J ~ n s :hidh the rat io of deuterium atoms to hydrogen atomsparaffins, ~ 000 by number. ... .exceeds. l i h ~ Export Licensing Branch wil l consider applications forNote. he export of: . .licences f ) o ~ dt'v/'dual shipments con1talnlng up to 1 kilogram of(1 I1l I 1 t d b b '/ (b) f A E 35euterium, except as Iml e y SU -I em 0 ..;2) subsequent shipments of deuteriuln for use in reactors( exported under A .E.36.

&8 Zirconium metal, alloys c o n t ~ i n i n g . more t h a ~ 50 pe r ~ e n tA. . b weight and compounds , In whIch the rat io of hafnIumz i r C O n I U ~ J r c o n i u ~ content is less than one part to 500 parts b yc o ~ t e n ~ 0 d tmanufactures wholly thereof.weIght,. a.the Export Licensing Branch wil l consider applications for.N ~ : ; for the e:rport of i . n ~ i v i ~ u a l shipments containing up .to 5I,cen of hafnium-free Zirconium.kilograms -.E 11 Nickel powder witlh a p'article size less than 200 microns .

t ~ The Export Licensing Branch wil l consider applications for. 0 . for the export of nickel powder not made by the Carbonyllicences .process.AE.12. Beryllium metal' and ~ a n u f a c t u r e s wh911y thereof ( e x c 1 u d ~. 'beryllium windows for medIcal X-ray machInes); beryl (exc1ud

~ n em grade) and ores; a lloys containing more th an 50 per centtng nium by weight; oxides and ot he r compounds.beJJ te' The Export Licensing Branch wil l consider applications forI' e:Ce; for the e.tport of individual shipments of the above pro-d ~ c t s containing up to. .(1) 500 grams of beryllium of a purz ty of 99 per cent or less,or(2) 100 grams of beryllium, except single crystals, with apurity greater than 99 per cent, or(3) 5 kilograms of beryllium conta ined in compounds witha purity of less than 99 per cent.

A.E.14. Fluorine.Note: The Export Licensing Branch wil l consider applications forlicences for the expor t of individual shipments containing up to 25kilograms of fluorine.A.E.IS. Chlorine trifluoride.Note: The Export Licensin,:: Branch wil l consider applications forlicences for the export of individual shipments containing up to 5kilograms of chlorine trifluoride.A.E.17. Fluorinated hydroca,rbons, as follows:Trichlorotrifluoroethane;Dichlorotetraftuoroethane.Note: The Export Licensing Branch wil l consider; applications forlicences for the export of individual shipments of up to 5,000 kilogrames of each of the above fluorinated hydrocarbons.A.E.18. Equipment specially designed for ~ h separation of isotopesof uranium and/or lithium.A.E.19. Any matchines, materials or equipment specially designedfor use in the processing of irradiated nuclear materials in orde r toIsolate or recover fis'Sion1able materials.A . ~ . 2 0 . Personal radiation monitoring ins truments enabl ing directreadmg on a graduated scale:(a) Dosimeters where more than one-f.ourth of the total singlea:bsorbed exposure range fans between 15 and 500 rads orroentgens;(b) Dose f1ate mete-ns wlhere more than one-J'ourth of tlhe totalrange falls be'tween 1 and 80 rads or roentgens pe r hour..Note: (1) Instruments d e ~ i g n e d specially for use with medical radia''1n ~ q l l i p m e n t and processing equipment such as used for food' andpasUcs are not covered by this definition.

/(2) Thhe Export Licensing Branch will consider applications for licencesOb' t e export of shipments containing up to 20 instruments as defineda ove.A.E.22. Mass. spectrographs and speotrometers, as follows:(a) All J?1ultl-focus type's ( including double focus, tandem andcfclolda1);(b) Smgle focus typeis pos'sessing a radius of curvature of 5 inchesor more'(c) ~ p e c i a l ~ Y ' designed assemblies, oomponents and pa rt s for thelOregomg.

l i c ~ e : fThe Export LicenSing Branch wil l consider applications forcertains .or the export of single equipments covered by sub-item (b) ir.czrcumstances.s e a t ~ ~ 7 ' l 1 V a l v e s , 3 centimetres or greater in diameter, with bellows,taining ~ Ymade of or lined wivh aluminium, nickel, or alloy conally I\ 'n t dPer cent or more nickel, e it he r manua ll y o r automatic-"'}Iera e and with other than me tal to me tal seats.

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Group A. M'etal-WorkingMachinery1016. Grinding heads and spindle assembles (consisting of spindlesand bearings as a minimal assembly) designed Of rated for operationat speeds in excess of 120,000 revolutions per minute and machinesspecially designed for the utilization of such grinding heads.Note: This definition does no t cover hand-held drills.1072. Presses and specialized controls, accessories and partstherefor-, as follows:(a) ~ r e s s e s (stabil ized equipment using rams) for applyip.g highImpact energy work forces through use of explosives or compressed gases including air;(b) specially designed or redesigned for the working or formingof metals, alloys or other materials with a melting pointexceeding 1,900 0 Centigrade;(c) Presses, mechanical and hydraulic, not elsewhere specified, withtotal rated forces of over 10,000 tons;(d) Control equipment, accessories and parts which are speciallydesigned for the above presses.Note: The Export Licensing Branch, provided they are satisfiedthat t he presses are not specially designed for use in forming aircraft, missile, or space vehicle parts, or for use in powder metallurgyor ceramics product ion, wi ll consider applications for licences forexports of ver tical presses haVing a total rated force less than 15,000t ons and f or l icences for the export of normal amounts of' equipmentcovered by part (d) above to service presses exported under the firstpart of this Note.1075. Spin-forming machines, except those with a spindle drivemotor of less than 50 horse power.1080. Machines and equipment specially designed for making ormeasuring gas turbine blades.1081. Machinery for use in the manufacture of aircraft, asfollows:(a) Machinery specially designed for the working or forming ofaircraft sheet, plate or extrusion;(b) Machinery specially designed for the milling of aircraft skin.1086. Machines special ly designed for the manufac tu re of jetengines, the following:(a) Jet engine cornpressor case boring ma,chines;(b) Jet engine compressor or turbine disc turning machines;(c) Jet engine rotor grinders.1088. Gear making and/or finishing machinery, as follows:(a) Gear grinding machines, generating type, capable of acceptinggear blanks of 36 inches work diameter or more;(b) Gear grinding machines, generating type, capable of acceptinggear blanks of 9 inches work diameter or more for the production of helical or herringbone gears;(c) Capable of the production of gears of a module finer than0.5 millimetres and meeting a qual it y st andard better;thanDIN 3963 Class 7.Note: If rated in AGMA or Admiralty standards and not ratedin DIN 3963, AGMA 10 or Admiralty Class 11 shall be consideredto be the equ"valent of D IN 3963 Class 7.1091. Numerical control systcms, as follows:(a) Numerical control systems specially designed for controllingco-ordinated simultaneous (contouring and continuous path)machining movements in a machine tool in two or more axes;and machine tools designed for or equipped with such controls;Note: The Export Licensing Branch will consider applications forl icences for the export of two-axis systems having normal resolutionsof .0004 inches (0.01 millifnetres or coarser, and machine tools designedfor or equipped with such controls, including systems of more thantwo axes providing not more than two axes are simultaneously'co-ordinated. ....b) Numerical control servo-dnven measunng or gaugIng machInesspecially designed for measuring at any point o f the contourthe dimensional shape and contour characteristics of two- orthree-dimensional objects including objects of revolution.Note: The Export Licensing Branch will consider applications forlicences for the export of two-axis measuring or gauging machinesspecially designed for measuring at any point 01 the contour of theobjects produced wi th machines of the type and characteristicsdescribed in the Note to sub-item (a). .

Group B. Chemical and Petroleum Equipment1110. Gas liquefying equipment, as follows:(a) Equipment specially designed for the production in liquidfoml of air, oxygen, nitrogen and/or a rgon and producing oneton or more per day of gas in liquid form, except plants notcapable of producing more than 2S per cent of their total daily

Industrial Listproduct as extractable gas in liquid form; /:':','(b) Equipment for the production of liquid h Y d ~ o & e ,plants with a capaci ty of less than one-and-a-baIf24-hour day and not designed for, or capable of, the f t 1 ' of hydrogen slush; 1""\1\(c) Liquid fluorine producing equipment;(d) Equipment for helium as follows:(1) Equipment for the separation of helium fromgases; and n (2) Equipment for the production of liquid heliumequipment which has a capacity of no more than 1 ~ ~

1112. Plant and equipment specially designed for the prodand for concentration of deuterium oxide.1118. Equipment for the production of military explosivsolid propellants, as follows: C(a) Complete installations;(Ib) Specialized components;(c) Nitrators: continuous types.1129. Vacuum pumps, as follows:(a) Ion vacuum pumps (Le. those using the principle of ition), except those having pumping speeds of less thanlitres 0' hydrogen per se'cond at a pressure of 1Q-6 millof mercury or more (Le. 10-.5 , 10-4 , etc.); ~ (b) Turbo-molecular pumps having a higher capacity thanlitres of nitrogen per second;(c) Diffusion pumps rated for unbaffled pumping speeds ofthan 50.000 litres of nitrogen per second at pressure10-4 millimetres of mercury or less;(d) Cryopump systems, not elsewhere specified (i.e. systemwhich the c ircu la tion of liquefied gas is used to achievacuum, either static or dynamic, by lowering the temperof the environment);(e) Specially designed parts, controls and accessories for thepumps.1131. Pumps (except vacuum pumps) capable of delivering lseparately or in . com1bination. vyith solids and/or gases and hany of the follOWIng charactenstlcs:(a) Designed to move molten metals by electromagnetic forc(b) Specially designed for operation at temperatures below -Fahrenheit (-170 Centigrade), except pumps with a flowof 100 gallons per minute or less which are not designeoperation at temperatures below (-328 Fahrenheit) -Centigrade;(c) Having all flow contact surfaces made of any of the follomaterials:(i) 90 per cent or more tantalum, titanium or zirconieither separately or combined;(ii) 50 per cent or more cobalt or molybdenum, e

separately or combined;(iii) Polytetrafluoroethylene; polychlorotrifluoroethylene.1133. Valves, cocks and pressure r((gulators, not elsewhere s fied, as follows:(a) Specially designed to opera te at temperature bel?w -"Fahrenheit (-170 Centigrade), except tho.se of 2 Inchesmeter or less specially designed for operatIon at t e m p e r afrom -274 Fahrenheit (-170 Centigrade) to -328 F a w ~heit (-200 Centigrade), or(b) having all flow contact surfaces made of any of the folloWmaterials: ., .(i) 90 per cent or more t ~ n t a l u m , tItanIum or ZlrcoUeither separately or combIned;(ii) 50 per cent or more cobalt or molybdenum, eseparately or combined; .(iii) Polytetrafluoroethylene; polychlorotnfluoroethylene.See also A.E. 27.1142. Pipe and tubing made of, l ined v/i th or covered with ptetrafluoroethylene or polychlorotrifluoroethylene.. l' (onNote: The Export Licensinf,? Branch will conszder apt: lea Inelicences I?r shiPlrfents of pipe and tubinR, ?I greater t a ~ 0 er(2.54 centzmetres Inner dlafneter and containing less !han ~ t e r f a l s .of graphite, carbon-black or other electrical conductzng mt ansportaU1145. Containers, jacketed only, for the storage hf fheit (_1of liquefied gases at temperatures below - 274 Fa rencentigrade), including mobile units, ~ follows: .Ca) With multi-laminar type insulatIon u ~ d e r vacl!Ufl?d capacity(b) With other insulating systems, haVIng a l!qliI designed250 gallons (946 litres) or more, and specIa Yb iling beuse with l iquid fluorine or for liquefied gases. 0 an e \ ' a -328 Fahrenheit (-200 Centigrade), and havmg deteation loss rate of less than 3 per cent per ?ay a eeat an ambient te,mperature of 75 FahrenheIt (24without exposure to direct sunlight; f liquid oxY(c) With other insulating systems designed only or

nitrogen or argon: . . tons or mO(1) Fixed storage tanks haVIng a capaCIty of 500

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bile equipment having a capacity in excess of 1,200(2) Mnons (4 542 litres) and an evaporation loss rate of lessgh 1 5 Per cent per day as determined at an ambient~ p e r ~ ' t u r e of 75 FaJIrenheit (24 0 Centigrade) wi,thout:xposure to direct sunlIght. '

C. Electrical and power-Generating EquipmentGrouP Electric vacuum furnaces as follows:1203. mable electrode vacuum arc furnaces, no t elsewhere(a) C o n ~ f i e d with a capac ity in excess of 5 tons;

~ f 1 1 type vacuum arc furnaces;(b) ElU tron beam vacuum furnaces; ,(c) d tion vacuum furnaces, as follows:(d) 1(i) u ~ o l d crucible vacuum induction f , ! r ~ a c e s designed t o oper ate at pressures lower than 0.1 mIllImetres of mercury andat temperatures higher than 2,012 0 Fahrenheit (1,100Cen t i g r a d e ) ; . . .C) other vacuum InductIon furnaces desIgned to operate atII temperatures higher than 3,002 Fahrenheit (1,650 Cent-

g r n d ~ ; .(e) Resistance vaCUUH\ furnaces dt?sIgned t? o p e r ~ . t e at temperatl!reshigher than 3,002 FahrenheIt (1,650 CentIgrade) , excludIng:(1) furnaces for h ~ a t treatment:. . .(i) up to 12 Inches (304 mI1hmetresx 12 Inches (304 millimetres) x 12 inches (304 mi ll ime tr es ) (28,320 cubiccentimetres), designed for temperatures not higher than4 172 0 Fahrenheit (2,300 Centigrade);(ii) up to .600 cubic c e n t i ~ e t r e s , d e s i ~ n e d for t e m p ~ r a t u r e snot hIgher than 4,860 FahrenheIt (2,700 CentIgrade);(I) Melting furnaces up to 3,200 cubic centimetres designed fo r.. temperatures n ot higher than 4,172 Fahrenheit (2,300Centigrade).(0 Specialized parts and controls for the above furnaces.1204. Electron beam e q ~ i I ? m e n t , ~ follows:(a) Welding and/or n l a c h I n I n ~ ~ q u I p m e n ~ ; ..b) Equipment for the depoSItIon of thIn film, the coatlng of thInfilm or the working thereof;(c) Specialized parts fo r the above equipment.1205. Electrochemical, semi ~ c o n d u c t o r and radio-active devices,not elsewhere specified, for the d irec t conversion of chemical, solaror nuclear energy to electrical energy, as follows:(a) Electrochemical devices, as follows:(1) Fuel cells (including regenerative cells), i.e. cells forgenerating electric power, to which all the consumablecomponents are supplied from outside the cell;(2) Primary cells having any of the following characteristics:(i) possessing a means of activation and having an opencircuit storage life in the unactivated condition at atemperature of 21 0 Centigrade of 10 years or more;(ii) capable of operating at temperatures from below -25 0Centigrade to above +55 Centigrade, including cells

and cell assemblies (other than dry cells) possessingselfcontained heaters;(b) P h o t o - v o l t a i ~ ~ e l l s , not elsewhere specified, with a power out put of 8 mIlhwat ts or more per square centimetre under 100J ! l i l l i " Y a t t ~ per s quare centimetre tungsten (2,800 0 Kelvin)lllumlnatt.on; all gallium arsenide photo-voltaic cells, excludingthose haVIng a power output of less than 4 milliwatts measuredby the above technique;(c) Power sources other than nuclear reactors based on radioactive materials systems, excluding those having a power out put of less than 0.5 watt in which the ratio of output (inwatt.s) .to weight ( in pounds) in less than 1 to 2;(d) S p e ~ l a h z e d parts, components and sub-assemblies of the abovedeVIces.

a 1206. ~ l e c ~ r i c arc ~ e v i c e s , not elsewhere specified, for generatingd fl?w of 101ll!ed gas In which the ar c column is constricted (exceptdev!ces whereIn the flow of gas is fo r isolation purposes only ande v l C ~ of less than 80 kW for cut ting , we ld ing p lat ing and/orspraymg); e q l ~ i p m c n t incorporating such devices; sPecially designed

fiaedrtsf' accessones. and control or test equipment, no t elsewhere speci, or such deVIces.Group D. General Industrial Equipment

~ ; ~ 5 S h Metal r o l ~ i n g t;nills, the following:1eet a n stn p mIlls as follows:( ) H a v I ~ g automatic work roll adjustment controls forta ~ e n n g or contouring along the iength of the sheet orstnp;(2) ~ o r e than t l 1 f e ~ - h i g h , .not elsewhere specified (includingf ual l?urpose .mIlls whIch can opera te as either two- orour-hIgh), whIch achieve special lateral and/or longitudinal

c o ~ t o u r control by one or more of the following means:(I) 'York rolls having a rat io o f r ol l f ace length to rolldIameter which exceeds either:.6 : 1 fo r rolls with ro ll face length up to andIncluding 30 inches; or? : 1 fo r rolls with r ol l face length exceeding 30Inches;

19 AUGUST 1966(ii) Work roll contour control achieved by concdeforming of back-up rolls, back-up shafts orrolls;(iii) any o ther f ea tur e achieving special l at er allongitudinal contour controls compara.ble toachieved by (i) and (ii); ,(b) Mills, specially designed or redesigned f or t he rolling ofand alloys with a melting point exceeding 1,900 Centi(c) Specialized conltrols, parts and accessories, fo r t he ahoveNotes 1: The term 'sheet and strip mills covers mills for thling of plate, sheet, strip, foil and any equivalent p2: Part (a) (2) of this definit ion relates to technical dements which l1zaterially increase the cababili ty ofto meet the exceptional ly close tolerances requiremilitary needs.3: The Export Licensing Branch will consider applifor licences for the export of:(I) Mills possessing any of the characeristics cove(a) (2), if these characteristlcs do notan improvement in kind and/or quality ondevices incorporated into operating mills of thetype and size prior to January 1st of the yearyears preceding the year of licensing,(h) all controls, parts and accessories for the aboveThe term ' improvement in kind and/ or quali ty'only to technical developments resulting in a mincrease in efficiency .or reliability to achieve thetionally close tolerances in lateral and/or longticontour required for military purposes.4: Sub-paragraph (a) (2) (l ) of the definit ion does not(a) Mills having multiple work rolls rotating in a

tary form round the back-up rolls;(b) Mi ll s specially designed for the rolling of alumfoil.5: The term 'more than three-high' covers any mill ineach work roll is supported by one or more back-up1352. Machinery specially designed for the extrusion oftetrafluoroethylene coagulated dispersions, or powders orderived therefrom, and components therefor.1353. Cable-making machinery special ly designed for mmultipair elect ri c cab le (for telecommunications purposescapable of manufacturing cables subject to embargo under Item(Group F) below), as follows:(a) Machinery other t han tha t covered by I te m 1354 for apinsulating material to conductors;(b) Machinery for laying conductors together and/or for apan insulating, separating, binding or identifying mthereto:(c) Machinery for laying up conductors, pairs, quads, etge the r t o form the complete cable core or part thereof.1354. Cable-making machinery specially designed for mcoaxial cable, as follows:(a) Machines for app ly ing insulating s epa ra tor s t o t he i nneductor of air-spaced coaxial electric cables;(b) Machines for app ly ing met al s tr ip or sheet t o form t heconductor of coaxial electric cables;(c) Machines for fo'rming, stranding, or assembling coaxialwith or without conductors other than coaxial tubes;(d) Au tomatic e quipment f or controlling t he d iame te r oeccentricity of extruded dielectric on wires and cables.1355. Machinery and equipment for the manufacture of elecequipn:ent, components and m a t ~ r i a l s and related test gear, parspecIalIzed controls and acceSSOrIes, as follows:(a) Fo r tubes (valves) and par ts and sub-assemblies thereof:Cl) Equipment specially designed fo r the manufactu

embargoed types, and(2) Equipment for a utomatic or semi-automatic assetesting and/or sorting, except s tandard equipment defor exhaust sealing and gettering of standard entertaintype 7-pin miniature and 9-pin Noval tubes.Notes 1: The tenn 'autolnatic' refers to lnachillery not reqthe assistance of a human operator to complete its fuor functions during each complete cycle of operations2: The term 'selni-automatic' refers to machinery reqthe assistance of a IUl/nan operator to complete panot all of its functions during each complete cyoperations.3: The term 'functions' in Notes 1 and 2 does not ithe initial loading or final unloading of material f rolnachine.(b) Fo r semi-conductor devices, electronic equipment andponents subject to e mba rgo un de r I tem 1564(a) andmaterials and s u b a s s . ~ m b l i e s thereof: ( l ) Equipment specially designed fo r the manufactuembargoed types and of any silicon transistor;

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19 AUGUST 1966(2) Equ ipmen t for sli cing, d icing , scribing , slice br eaking ,, lappIng, pol ishing, probing, testing and/or sorting;(3) Bonders and welders;(4) Masks;(5) Equipment for the manufacture of masks or the creat ionof a photosensitive pattern on the surface of a semiconductor or insulating substrate; and(6) Equipment fo r purifying or processing semi-conductormaterials, except equipment specially designed for thezone purification of gennanium. .Note: It is understood that equipment for purifying and processingincludes equipment which per forms one or more of the followingoperations on semi-conductor materials:(a) pur if ying beyond 99.9 per cent,(b) eqlf,aUzing distribution of residual impurities,(c) achieving controlled introduction of impurities (in one or morestages of operation);(d) .producing monocrystalline material or forms (e.g. by drawing;pulling, deposition) including forming on substrates.(c) For depositing or printing on insulating panels ( includingplates and wafers), or otherwise forming, in situ, componentparts other than basic wiring.

1356. Machinery for the working - of synthetic film used as adielectric (condenser tissue) or as magnetic recording tape, as follows:(a) Stenters ( tenters) specially designed for stretching film of thekind used fo r recording media subject to embargo underItem 1572(c);(b) Stenters ( tenters) specially designed for stretching film of thekind used in the dielectric (condenser tissue) subject to embargounder Itern 1920;(c) Vacuum metallizing machinery specially designed for thecontinuous coating with metallized sheathing of polyester di electric film for condensers; and specially designed partstherefor;(d) Equipment specially designed fo r the continuous coating ofpolyester base magnetic tape intended for the equipment subjectt o embargo under Item 1572(c).Group E. Transportation Equipment

1415. Warships (whether or not converted to non-military use andregardless of current state o f r epair or operating 'condition); andhulls, or parts of hulls, fo r such ships.See also M.L.9.1416. Vessels as follows:(a) Fishing vessels, and hulls therefor, designed for speeds of 17knots or over when in full load (design) condition;(b) Hydrofoil vessels no t elsewhere specified;Note: The Board 0/ Trade will consider applications for hydrofoilvessels not possessing significant rough water capability or amphibiousqualities provided the vessels are for nornzal civilian use and dono t incorporate advanced techniques.(c) Sea-going vessels inc luding coasters and hulls therefor, no telsewhere specified, designed fo r speeds of over 22 knots whenin full load (design) condition, taking into consideration hullform (configuration) as well as power plant;Note: For passenger-carrying liners having at least 4 decks andwhose specifications, as far as hull construction is concerned, correspond to the Conven tions on the Safety of Human Life at Sea inforce at the tinze of their construct ion, this cut -o ff i s 25 knots.(d) Vessels with hulls and propulsion machinery made wholly orprimarily of non-magnetic materials;(e) New ships with de'cks and platforms specially designed orstrengthened to receive weapons.Note: The Board of Trade should be consulted about any vesselswhich contain any elnbargoed item or have arrangements for demagnetization.1430. Buoyant e lec tr ic conduct ing cab le sui tab le for sweepingmagnetic mines.1450. Automotive vehicles, tractors, lift trucks, no t elsewherespecified, possessing or built to current military specifications differing mater ia lly f rom the ir normal commercial specifications.1460. Air cr af t a nd helicopters, aero-engines an d aircra ft andhelicopter equipment, as follows:(a) Hel icopte rs over .10,000 lbs. empty weight and power transmission systems therefor;(b) Aircraft and helicopters. no t elsewhere specified, except thoseno t c0ntaining or incorpora ting any' Munitions Lis t it emsand which:(i) ar e o f types and series which have been in bona fide normalcivil use for more than one year, or(ii) which are powered by piston engines;Note: Export ers are advised to consul t t he Mini st ry of Aviationabout any proposals to sell aircraft t o the Sino-Soviet Bloc.

(c) Aero-engines, no t elsewhere speci.fied, as follows(1) Gas turbine engines: .(i) jet engines of 5,000 lbs. thrust or more;(ii) turbo-prop. or turbo-shaft engines of 2500 ho, or more with a residual thrust of 1,000 'tbs. or neNote: The Export Licensing Branch will consider applic ~ ( } r e .licences for the export of gas turbine aero-engines .for usa 1 ~ 1 I faircraft and helicopters in the Sino-Soviet Bloc. e III(2) Aircraft and ht:licopter ~ n g i n e s of other than gaS ..h, . : .types, except pIston engInes; _ \uc"(d) Ground and airborne equipment, not elsewhere specjfiloped solely.or used ma;inly fo r aircraft ~ n h e l i c o P t e ~ ' - ground or aIrborne eqUIpment of types In normal civil ~ " See also M.L.I0. USe.1485. Compasses and gyroscopic equipment, as follows.(a) Gyro compasses, North-seeking only, possessing o n Orof the following characteristics: mo(i) Automatic correction for the .effects on comPass aceof changes in ship's speed., aceelerati?D, or latitUde u ~ than manual ly set mechanIcal correctIve devices' I 0(ii) Provis ion for accepting ship's data as an electrical in(Hi) Pr?vision for setting in corrections for current setdnft; ...(iv) Utilization of accelerometer, rate gyro, rate integratiagyros, or electrolytic levels as sensing devices; 'C(v) Provisions for determining and electrically transmitfship's level reference data (roll, pitch) in addition toship's course data;(b) Integrated flight instrument systems fo r aircraft which includgyro-stabilizers and/or automatic pilots;Notes 1: An integrated {light ins trument sys tem is a primary insrment display systenz of altitude and azimuth with facilitifor g iving manoeuvre guidance information to the Pil

and often inte/?rated with an auto-pi lo t to the extentembodying a common unit for setting up the requiredemands.2. The Export Licensing Branch will consider applications flicences for equipnlent covered under sub-item (b) provide(i) They are of types and series which have beennormal civil use for more than two years and astandard equipment of aircraft excluded from c o n t runder Item 1460.(il) The equipment is to be ins ta lled in civil aircraft.(c) Gyro-astro cornpasses and other devices which derive positioand /o r o ri en ta tion by means of automatically tracking celestibodies;(d) Gyro-stabilizers used for o the r purposes than aircraft contrexcept those for stabilizing an entire surface vessel;(e) Automatic pilots used fo r other purposes than aircraft contrce x c , ~ p t marine types fo r surface vessels;(f) Accelerometers with a threshold of 0.005 g or less a n d / o ~l ineari ty of less than 0.25 per cent of output over the operatlDrange, which are designed fo r use in inertial navigation systemor in guidance systems of all types;(g) Gyros and gyro-compasses, as follows:(i ) Gyros w it h a rated f ree direc tional dri ft rate ( ~ a t e d frprecession) of less than 0.5 degrees per hour III a 1environment;( ii) Gyro-compasses which incorporate gyros in (i) abovewhich , when oper at ed in a gyro-compass mode, h ~ v econlpass error, before compensation, due to gyro dnftless than 1/30 of a radian (6/7t degrees) at 0 degrelatitude; . .(h) Specially designed parts, components and test, caltbratIOn,falignment equ ipment for the above, except for the specequiplnent exported under (b).

Group F. Electronic Equipment including C o m m u n i c a t ~ o n s aood Ra1501. Communication, navigation, dire

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+ 55 0 Centigrade,a b o ~ e d for modulat ing methods employing any form(vi) D e d 1 ! n . ~ I modulation using time and frequency redundof 19l ach as 'Quantised Frequency Modulation' (QFM);ancy SU . h. . ns for licences for equipment operating In t eAppltcat10 e 108-136 megacycles per second incorporatingfrequency r a ~ l e rapid selection of 560 channels or fewer at notfacilities fSO kilocycles per second c ~ a n n e l spacin.g. will be conl ~ s s than./ the equipnlent has been In normal civil use for atsldered II t two vears.eas. . nd direction finding equipment,. no t e l s ~ ~ e r eCb) N a v ~ g a ~ o n ( a : d specialized. parts and a c c ~ o r t e s , s J ? C C l a l t ~ e ds p ~ I f i e calibrating equIpment and traInIng or sImulatIngt e s t ~ n g o not elsewhere specified, therefor) , as follows:

e q u I A P ~ ~ ~ r ~ e navigation equipment and direction finding equip-(1) s follows:ci)nb:signed to make use of 'Doppler' frequency pheno-mena; I ' d/ h t'I'(") Utilizing the constan t. ~ OCIty an or t et:ec lInear

11 rcpagationcharactenstIcs of electromagnetIc waveshaving frequency less than 4 x 1014 cycles per second(0.75 microns);. .,. .Th Export Licensing Branch wzll consider appl ,catzons forNote: etl export of standard c01nmercial airborne equipmentlicences for zp civil aircraft of the Sino-Soviet Bloc or as normalneeded la e C J . U l ~ e n t incorporated in civil aircraft being exported to thes t ~ n d a " .eqt UBIP[OC for civil commercial usage, provided that suchSmo-Sov1eequipment: d d d(a) is in conforn lity with I .C.A .O. s ~ a n af, an assuresno funotion exceeding those resulting f rom such stan-dards; . k f h b l' 'd f(b) is not designed to ma e use 0 yper 0 IC grz s at re-quencies f?reater than 3 megacycles per second*;(c) is equivalent in all characteristic.s and p e r f o ~ m a n c e toequipment used as standard equipment of azrcraft notsubject to embargo.*Applications for lic.ences for s tandard commerciq lairborne equipment deSigned to make use of hyperbolicgrids at frequencies of l e s ~ than 3 meK,acycles .per secon,dand which include co-ordinate conversion equipment Willbe considered if the equipment(a) has been in nornlal c iv il use for more than two years,and-(b) does not incorporate equipment embargoed by Items1545(a), 1564 or 1565.(iii) Radio altimeters, the following:(a) Pulse modulated;

(b) Frequency 'modulated having an electrical output, a c c u r a c ~ ' better than 3 feet over the whole range'between 0 to 100 feet or 3 per cent above 100feet;Cc) Frequency modulated which have been in n ormalcivil use for less than four years.Note: The Export Licensinf? Branch will consider applications forlicences for the export of standard cOlnmercial frequency modulatedradio altimeters needed to equip civil aircraft of the Sino-Soviet Bloc,or as normal standard equipment incorporated in civil aircraft beinl?exported fo the Sino-Soviet Bloc for civil commercial use, providedthat such altimeters have been in normal use for 1nore than two years.(iv) Direction finding equipment operating at frequenciesgreater than 5 megacycles per second o ther than equipment designed for search and rescue purposes providedtha t the receiver opera tes on a crystal con trol led fixedfrequency of 121.5 megacycles per second and that thedetermination of the D.F. bearing is not independentof the 'heading of the, aircraft and provided that theD.F. antennae array is designed fo r operation at afixed frequency of 121.5 megacycles per second;(v) Pressurized throughout;(vi) Rated for continuous operation ove r a range of ambientte:mperatures extending from below -55 0 Centigrade

to above +55 0 Centigrade;(2) Ground and marine equipment for use wi th airborne navigation equipment utilizing the constant velocity and/or therectilinear propagation characteristics of electromagneticwaves having frequency less than 4 x 1014 cycles pe r second(0.75 microns);Note: The Export Licensing Branch will consider applications forycenses for the export of ground equipment for use at civilIan airports or for civil use in Sino-Soviet Bloc inaSSociation with airborne equipment which may be exportedu ~ d e r the excepting Note to sub-i tem (b) 1 (ii) above, proVided that such equipment:(a) is in conformity with I .C.A .O. standards and assuresno function exceeding those resul ting fronl such standards;

- (b) is not designed to make use of hyperbolic grids at fre-(3) G r o ~ ~ ~ n ~ ~ d ~ ~ ~ ~ t ~ f ~ J i ~ e 1 i a ~ J i ~ : s t : ~ i ; ~ ; n ~ d ' o p e r a t i n gNote' at frequencies greater than 5 megacycles per second;. The Export Licensing Branch will consider applications for

19 AUGUST 1966licences for the export of this type of equipmtnt whe(a) th e equ ipment is to be installed ot civilian airpofor use on civil air routes in the Sino-Soviet Blo(b) the equipment is designed to operate at frequbetween 5 megacycles per second and 157 megaper second, excluding single side band equipmen.t,(c) the equ ipment employs a loop syster:n or semploy ing a number 0/ spaced vertzcal aerzalsformly disposed around the circumference of Bexcluding electronically com"!utated types. .(c) Radar equipment, no t elsewhere specIfied (and speclahzedand accessories, specialized testing or calibrating e q u i

and training or simulating equipment, no t elsewhere spetherefor), as follows:(1) Airborne radar equipment;Note: The Expor t Licensing Branch will consider applicatiolicen'ces to expor t radar equipment for use in civil aof the Sino-Soviet Bloc provided the equipment:(a) has been in normal commercia l service for a t leastyears;(b) is specially designed for use as a commercial wradar;(c) is a normal and reasonable equipment for suchaircraft;(2) Ground and marine radar equipment having one orof the following features:(i) operating at a frequency n ot in n or ma l civil useWestern World, or Cllt a frequency of more thanmegacycles per second;(H) having a peak output p owe r fr om the t ransgreater than 160 kilowatts; .(iii) having an 80 per cent or better cumulative proity of detection* of a 20 square metre target atspace range of 50 nautical miles on an aircraft han eauivalent echoing area o f 20 square metres;(iv) utilizfng o th er th an pulse modulation with a copulse repetition frequency, in whioh the frequenthe trans'mitted signal is not 'changed delibebetween groups of pulses, from 'Pulse to pulswithin a single pulse; ,(v) ut il iz ing a doppler technique for any purpose,than M.T.! . sys tems using a conventional doubledelay line ,teohnique;(vi) including signal processing techniques which havein normal civil use fo r a period of less than 4 ye(vii) having been in com,mercial use in the Western Wfor a period of less than 2 years;Note: The Expor t Licensing Branch will consider applicatiolicences to export radars not exceeding 1 megawatt peaput power fronl the transmitter and a maximUln (free80 per cent cumulat ive probabili ty of detection* ran120 nautical miles on a target having an echoing areasquare 'metres and operating at a frequency of less3,500 megacycles per second and having a pulse r ~ p e frequency in excess of 500 pulses per second, prOVideequipnlent is to be installed at airports operating scheconlmeroial f/il?hts to countries outside the Bloc andembarl?oed by sub-items (l ) or (iv) to (vii).* The cumulative probability of detection is deteraccording to the following parameters:(1) Radial closing velocity of the target 2,000 fee

s e . o o n d ~(2) Probability of false alarm 10-8;(3) Operator factor 3 dB;(4) Flucltuation of the target in aocordance with Raydistribution.1502. Communication. detection or tracking equipment of ausing ultra-violet radiation, in/fra-red radiation or ultrasonic wand specialized parts thereof.Note: This item is not intended to cover industrial equ iemploying cells not embargoed by Items 1548 or 1550, {lametors for industrial furnaces, nor u ltrason ic devices which operacontact with a control led material to be inspected.See also M.L.15.1503. Communication equipment employing t ropospheric,spheric or meteoric scatter phenomena; and special ly designedassemblies, parts and test equipment therefore1507. ' Jamming ' apparatus (Le., apparatus special ly designjam or otherwise interfere with radio reception); and specializedtherefore1510. Location apparatus, underwater: apparatus fo r detectilocating ,Jibjects under water by magnetic or acoustic or ultramethods, and specialized components of such apparatus, except mdepth sounders of a kind used solely fo r measurinjC the depwater or the d is tance of su'bmerged objects or :fish and/or wvertically below the app'aratus.Note: The Expor t Licensing Branch will consider applicationlicences for the expor t of horizontally operating apparatus foand / or whale finding.

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, 1514. Pulse m0dl:alators c a ~ a b l e of providing electric impulses ofpeak p o ~ e r exceedIng 200 kIlowatts or of a duration of less thanl/lOth mIcro-second, or with a duty cycle i n excess of 0.002' andp u l s ~ - t l : " a n s f o r m e r , pulse-forming equipment or delay lines 'beingspecIalIzed parts of such modulators.1516. Panoramic radio receivers as follows:(a ) Panoramic radio receivers, ~ b e i n g receivers which search auto

m a t i ~ a l l y a par.t of the r a d i o - f ~ e q u e n c y spectrum and indicatethe sIgnals receIved); except ancIllary equipment for commercialreceivers , with which the frequency spectrum searched does notrepresent more than 20 per cent of the intermediate fre-quency of the receiver and the range searched does no t exceed:f: 2 megacycles per second;(b ) Specialized parts for t he pano ramic radio re-ceivers em-bargoedby this item.1517. Ra.dio. transmitters and. components,' not elsewhere specified,(except radIo lInk and relay equIpment) as follows: .(a) Transmitters or t ransmi tter ampl ifiers des igned to operate atoutput frequencies greater than 235 megacycles pe r secondother fban '(i ) television broadcasting transmitters and amplifiers therefor. . opera ting between 470 and 960 megacycles per second;(n ) f r e q u e n o / - ~ o d u l a t e d . and a m p ~ l t u d e - m o d u l a t e d groundcommunlcatlons e q ~ l l p m e n t reqUIred for use in the landmobile service and operating in the 420 to 470 megacycles pe r second band, with a power output of not morethan 25 wa tts for mobile units and 100 wat ts fo r fixedunits;(iii) amplitude-modulated radiotelephone equipment used forsearch and rescue work operating on a f requency of 243

megacycles per second with a carrier power not exceeding100 milliwatts.(b) Transmitters or t ransmitter amplifiers designed to provide anyof the following features:(1) Any system of pulse modulation (This does not includeampli tude, f requency or phase modulated television ortelegraphic transmitters);(2) Rat ed for operati on ove r a range of ambient temperaturesextending from below -40 Centigrade to above + 55Contigrade; ,(3) Designed. to provide a multipl icity of alternative outputfrequencIes controlled by a lesser number of piezo-electric~ r y s t a l s , except equip-ments in which the output frequencyIS selected only by manua l operation either on the equ ipment or on a r emote control uni t and :(i) those forming multiples of a common control frequency,or(ii) those in which the output frequency is a mul tiple of acommon frequency which is not. le.ss than 1/1 ,000th part

of the oscIllator frequency and IS In steps of 1 kilocyclepe r second or g r e a t e r ~(c) ~ o m p o n e . n t s and sub-assemblies, including but not limited toIntetmedlate-frequency ~ n pow

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two opposed anodes with shapes resembling .flattened hemisphand with one or more triggering probes placed approximatethe centre of one anode. The s tructure is sealed and contamixture of gases, principally n it rogen under less than atmosppressure.2. Sub-ite'm (b) covers gas krytron tubes, vacuum krytronand similar tubes. .1544.' Semi-conductor diodes, including rectifier diodes and swing diodes, bu t excluding photodiodes (see Item 1548), as follow(a) Any semi-conductor diodes in which the bulk m ~ t e r i a l is othan silicon, germanium, selenium or copper-OXIde;(b) Signal diodes in which the bulk mater ia l. i s silic0llgermanium (including mixer, frequency-changIng and SWing diodes):(i) Point contact type diodes designed fo r use at frequenin excess of 1,000 megacycles peT second;(ii) Junction type diodes designed for use at input frequengreater than 300 megacycles pe r ~ e c o n d or whIch.designed fo r switching rates (repetitIon frequency) hIthan 1 megacycle per second;Note: Thi s sub- it em will normall y include switching type dhalJiing a recovery time less than 0.1 micro-second. The recotime is to be specified for a decrease of reverse current to a valu100 microamps or less and measured with a forward current areverse voltage which are typical for the d iode in q.uestion.(c) (i) Power diodes in which the rated maXImum recureverse voltage exceeds 1,000 voJtts pe r junction atCentigrade under any conditions of c o o l i n ~ , e x ~ e p t tin whioh the rated fo rward c ur ren t per JunotIon ucontinuous operation exceeds 200 amperes, and th e r

maximum recurrent reverse voltage does no t exceed 1volts pe r junction;Note: T he maximum recurrent reverse voltage is the maxivalue of the periodic overvol tage impressed across theor rectif ying element in the reverse direction, inclucircuit effects such as commutation, but excluding rantransient overvoltages (defined in sub-clause 133.2.2 oInternational Electrotechnical Commission publication(ii) Controlled diodes, i.e. semi-conductor multiple-jundevices for applications s imilar to those of grid-controgas-filled tubes, designed fo r use at switching rates (retionfrequency) higher than 100 kilocycles pe r second;(d) Tunnel diodes, no t elsewhere specified.1545. Transistors and related devices (or rel at ed semi-conduamplifying devices such as fieldistors, spacistors and technetrons)specialized parts therefor, as follows:(a) Of any type using semi-conductor material h a v i ~ g foumore active junctions within any single block of senlI-condu

material;(b) Of any type using a bulk semi-conductor material othergermanium or silicon; .(c) Using germanium as t ~ bulk s e I l ! i - ~ o n d u c t o r matenalhaving any o f the follOWIng charactenstIcs:(i) An avemge fT of 40 to 24.0 m e g a l ~ l e s per .sccand designed to have a maXImum collector dISSIpgreater than 150 milliwatts;(ii) An average fT greater than 240 m e g a c y c l ~ s per see(d) Using s il icon as the bulk. semi-conductor matenal and ~ a any of the following characteristics: .(i) An average fT of up to ~ O kIlocycles pe! .seand designed to have a maXImum collector dISSIpgreater than 5 watts; .(H) An average fT fro m ab ov e 500 ~ I l o c y c l e s per s e to 3 megacycles per seoond and deSIgned to h ~ v ~ a mmum collector dissipation greater than 500 mdhwatts(iii) An average fT from above 3 to . 20 megacyclessecond and designed to have a maXImum col lector dpation greater than 250 milliwatts;(Iiv) An avemge f greate.r t h a ~ 20 ~ e g a c Y ' c l e ' S Per: s ~ n d ;(v) Majority earner deVIces, I n c l u d I n ~ bu t n ~ bmIted toeffect t r a n s l i s ~ o r s and m,etal OXIde seml",oonduotorsistors(vi) A modulus of th e cu rr en t gain in the common emconfigura1tion of 10 or m ore f or collector currents ofmicroamperes or less.

'Notes:1. This i tem covers all devices incorporating a semi -conducrystal of any material with t h r ~ e or more electrical connector .with on Iv two such connections where four or more ajunctions exist w ithin a single block of semi-conductor matewhich are used as amplifiers, oscillators, trigger devices, etc.combinations thereof in electronic circui ts. For photo-transisee Item 1548.2. The maximum collector dissipation is defined as the contindissipation measured at an ambient tentperature of 25 0 Centig

under any cooling conditions.

machines, cryptographic and/or cOding d e v i c e ~ a:nd152'1. All cypher ocia'ted equipment, usable on any transmISSIonWptnent, andh asstelephony facsimile, video, data), that is designed:;Stem (telegrap y, ecy of c ~ m m u n i c a t i o n s and thus prevent c learo ensure the s e c ~ h a n the intended receiver.~ p t i o n by J t . h e ~ t e is intended t o cover all the re lated equipmentNotes. 1. T li S I ~ machines and cryptographic and/or codingfor. CYP s ecialized assemblies, sub-assemblies and com-devlcests 1:td equipment containing components em.bargoedponen ,

b)' this item. . B h '11 'd 1"TI Export Licensing ranc Wl COnsl er app lcat lons2. f o ~ e l i c ~ n c e s to expor.t simple cQding d.evir::es or equipmentonly ensuring the przvacy of communications.ic ,measuring, testing, or calibrating instruments, not

1529. Eleetr

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3. tr i s def ined as the prvduct 01 the modulus of hie (the smallsignoJ current gain in the common emitter connect ion) and theIrequency at which it is measured, provided the modulus 01 hieis substantially less than its low Irequency value.4. The average fr is def ined as the iT at which the major production of a particular type of transistor occurs.Where the average IT is no t quoted or known, this value shall betaken as 1.5 times the minimum fr.. 5. Where I alpha (the frequency at which the modu lus 01 thecurrent gain in the comnlon base connection has decreased to0.707 of its low Irequency value) is qUQted instead 01 tr, iT maybe regarded as 0.8 t imes f alpha.6. Where f1 (the frequency at which the modulus of the currentgain in the common emit ter connection is equal to 1) is quotedinstead of tr, tr may be regarded as equal to 11.1546. Dendritic produced forms of any semi-conductor material,or combinations thereof, suitable for use in diodes or transistors. ''Note: The term 'dendritic' signifies a ribbon-like product of semiconductor material which may be drawn in various w'idths, thicknessesand lengths and which may represent processing stages from a relatively pure form of the material through advanced stages of treatment.1548. Photo cells, as follows:(a) Photoelec tr ic cells, pho to-conductive cells ( including phototransistors and similar cells) with a peak sensHivity at a wavelength longer than 12,000 Angstrom units or shorter than 3,000'Angstrom units;(b) Photo-transistors (photo-conductive cells including photo-diodes)with a response time constant of 1 millisecond or less measuredat the operating temperature of the cell for which the timeconstant reaches a minimum.

Notes: 1. The time constant is defined as the time takenfrom the application of a light stimulus for thecurrent increment to reach a value of 1-1/e timesthe final value, (Ii.e., 63% of the final value).2. The above embargo is not intended to apply togermanium photo devices with a peak sensitivity ata wavelength shorter than 17,500 Angstrom units.1549. Photomultiplier tubes as follows:(a) Fo r which the maximum sensitivity occurs at wavelengthslonger than 7,500 Angstrom uni ts or shorter than 3,000Angstrom units; or(b) having an anode pulse rise time of less than 2 nanoseconds.1550. Thermal detecting cells, i.e. bolometers and thermocouplerdetectors, radiant energy types only, with a response time constant ofless than 10 milliseconds measured at the operating temperature ofthe cell for which the time constant reaches a minimum.1553. Flash-discharge type X-ray tubes.1555. Image intensifiers, image converters and specialized components, including fibre opt ic plates specially designed optical lytherefor, electronic storage tubes including memory transformers ofradar pictur,es and ruggedized vidicon-type tubes (excluding commercial standard television broadcasting camera tubes and commercialstandard X-ray amplifier tubes).1558. Valves (tubes) electronic, and specialized parts as follows:(a) (i) Valves rated for continuous wave operation over the frequency range 300-1,000 megacycles per second and forwhich (at any pa rt o f this frequency range and under anycondition of cooling) the product of frequency of operationin me:gacycles per second squared and the power outputin watts from the anode(s) of a single envelope at thisfrequency exceeds 108 , when the valve is operating in ClassC telegraphy key down conditions or in Class C frequencymodulated telephony conditions, or, if performance underthese condit ions is not known, the product of declaredmaximum frequency of ful l rat ings in megacycles persecond squared and t he max imum ra ted anode dissipationper valve in watts exceeds 5 x 107;Note: When the above criteria are applied to external anodetubes rated without a radiator, mul tiply the power ratings so givenby twenty. When applied to external anode tubes rated with radiatorsand op timuln cooling procedures (as recommended by the manufacturer) multiply the power ratings so given by two.(H) Valves rated for operation above 1,000 megacycles persecond;(Hi) Valves rated for pulse operation above 300 megacyclesper second;(iv) Valves constructed with ceramic' envelopes and rated foroperation above 300 megacycles per second;Note: Sub-iteln (a) of the definition is not intended to embargoany single-ended glass envelope tube which has a standard 7-pinminiature or 9-pin Noval base and is in standard use in civilianelectronic equipment.(b) Valves, other than conventional types such as diodes, triodes,

BOARD OF TRADE JOURNAL 19 AUGUST 1966 tetrodes, pentodes, etc., in which the velocity ofis,utilized as one of the functional parameters innot limited to klystrons, travelling wave tubes a ~ except :fixed frequency pulsed magnetrons designedat frequencies in t he range from 9.3 to 9.5 gigsecond with a maximum peak output power not grea25 kilowatts;Notes: 1. The Export Licensing Branch will c o n s itions for licences lor .fixed frequency continuer apmagnetrons designed to operate at a frequency of 2 . 4 S o ~per second 0.025 gigocycles per second with a g l gpower output not greater than 5 kilowatts which are'ntlxdesigned for industrial heating or cooking purposes. s Preflex klystrons having all the follOWing characteristic;' an(I) Operating at frequencies in the range from 8Sgigocycles; . to(il) An output power of 200 milliwatts or less(iil) A metal envelope; (iv) A probe output;(v) Mechanical tuning accomplished by distortiondiaphragm situated at one end of the tube and onthe reflector voltage connection is mounted.2. The Export Licensing Branch will consider apP[;catilicences for the export of valves covered by (a) and (btare specially designed for television purposes and are to bin television transmitters, the precise locations of whi:known, for civil tele-casting to C.'C.I.R. or O.l.R. s t a n d a r d l(c) Indirectly heated valves of a kind that can be passed t h r a circular hole of 7.2 millimetres in diameter;(d) Valves designed to withstand acceleration of short dur(shock) greater than 1,000 g;(e) Valves constructed with beryllium oxide ceramic;(f) Valves designed for operation in ambient temperatures exing 100 0 Centigrade;

(g) Vacuum tubes specially designed for use as pulse moduIfor radar or for similar applications, having a peak avoltage rating of 100 kilovolts or 'more; or rated for apulse power of 2 megawatts or more.1559. Thyratron and modulator gas-discharge tubes, as follow(a) Those r at ed for continuous operation with peak currenpeak voltage exceeding 100 amperes and 9,000 volts at arepetition frequency of 200 or more pulses per second;(b) Hydrogen thyratrons as follows:(i) Rated for a peak pulse power of 2 megawatts or mor(ii) Of metal-ceramic construction.Note: A ' thyratron' is defined as any hot cathode gas-filledcontaining three or more electrodes in which anode current flinitiated by a control electrode.1560. Components and parts used as resistive, inductivecapacitive elements in electronic circuits, no t elsewhere s p e designed for and/or capable of reliable performance in relatio

their electrical and mechanical characteristics and maintainingdesign service lifetime while operating: '(a) over the whole range of ambient temperatures from b-45 0 Centigrade to above +1000 Centigrade; or(b) at ambient temperatures of 200 0 Centigrade or higher.

1561. Materials specially designed and manufactured for uabsorbers of electromagnetic waves having frequencies greater2 x 108 cycles per second, and less than 3 x 1012 cycles per secon1562. Tantalum and niobium electrolytic capacitors, not elsewspecified, as follows:(a) All types designed to operate permanently at temperatexceeding 85 Centigrade; .(b) Sintered electrolytic capacitors, except those havlllg a cmade of epoxy resin or sealed with epoxy resin;(c) Electrolytic capacitors constructed with foils.1564. Electronic equipment and components, not elsewhere s

fied, as follows:(a) Assemblies and sub-assemblies constituting one or 0175t ional circuits with a component density greater than 'pper cubic inch (4.575 parts per cubic centimetre) and eqUlcontaining such an assembly or s u b - a s s e r n : b I ~ ~ cirNote: Sub-item (a) is intended to include zntegratedi.e. assemblies and s u b - a ~ s e m b l i e s containing one or mo;Jtional circuits in which there are both c o m p ? ~ e n t s / matconnections formed by the di ffusion or depOSitiOn 0 nt deinto or on a common substrate and having a componegreater thqn that specified i,! sub-.item (a). tin s(b) Modular Insulator panels (Including w a ! e r ~ ) m o u ~ s ~ e r e or multiple electronic elements and speclahzed ~ e m b ; Note: Circuit boards and panels which do not C ? ~ t a m of su/rcomponents and which do not contravene the p r o v I S I O ~ e y are(a) above are not embargoed by sub-i tem (b) u n l e s s n o l i c s , structed of insulating materials other than paper bas.e pheaterialcloth melamine, glass cloth epoxy resin or of !nsu[atzng rn, the tJan operating temperature range not exceeding that 0mentioned materials.

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G Sdentiftc I n ~ n t s and Apparatus, Servomechanisms~ t o J l ' 8 P h i c EqUipment

Electronic computers and related equipment, no t elsewhere$ ~ a i o ~ ~ ~ o : ~ p u t e r s with one or more of the following(a) Anh teristics: .c ~ r a c taining a summer wIth a rated accuracy better than(1) f ~ r t in 5,000 parts, or a multiplier or arbi trary q.djustablef nction generator with a r at ed accuracy bet te r than 1~ r in 1,000 parts; . .

('') "tontaining or c a p a b ~ e of I n c 9 r p o r a t I ~ g . a total of m?re11 than 75 summers, Integrators , multIplIers or functIongenerators; '1" f ." 1C") Incorporating facllt1es or automatIc InsertIon or a tera-

III tion of problem s et-up;, '(iv) Incorporating any unIt desIgned to function solely as a,memory; d' d od'fied f ,. b) A logue computers eSIgne or m I or use In aIr orne(b ~ cles n1issiles or space vehicles and ra ted fo r continuousve ~ a t i ~ n at temperatures from below -45 0 Centigrade to~ ~ v e + 55 0 Centigrade; equipment or systems incorporatingsuch computers;(c) Other analogue c o m p ~ t e r s ; , ,(d) Digital c o ~ p u t e r s USIng drum or dISC t ype p rImary memoryand possessIng; , .(i) A total rated directly addressable storage capaCIty In excessof 1 million bits (the same l i ~ i t defines both the maximumcapacity a single storage eqUIpment may possess and thecombined capacity where mult iple equipments are used);(ii) Xcapability of ' storing in excess of 250 bit s pe r linearinch of single track (this limitation applies to each storageequipment involved);

(e) Other digital computers. and digital di!Ierential a n a l ~ z e r s . (incremental computers) deSIgned or, modIfied fo r use In a l ~ b o r n evehicles, missiles or space vehIcles and rated fo r c ~ n t I n u o u soperation at temperatures from below -45 0 CentIgrade toabove +55 0 Centigrade; equipment or systems incorporatingsuch computers or analyzers;(f) Digital differential analyzers (i nc remental compute rs), asfollows:(i) Incorporating more than 50 integrators; or(ii) Incorporating integrators with any increment cycle time ofless than 1 millisecond (or an i te ra tion rate in excess of1,000 per second);(g) Digital computers and digital differential analyzers (increnlentalcom,puters) other than those in (d), (e) and (f) above;(h) Specialized parts, conlponents, sub-assemblies and accessories,. not elsewhere specified.Notes: 1. The Export L i c e n s i n ~ Branch wil l consider applicationsfor licences for the export to the Sino-Soviet Bloc of (i) computerscovered by sub-items (c) and (g); and (i,l) specialized parts, components,

sub-assemhlies and accessories therefor, no t elsewhere specified,covered hy suh-i tem (h), subject to certain conditions. The principalconditions are:(A) that the equipment is primarily used in n o n - s t r a t e ~ i c applications;(B) the equipment wil l be used in the Sino-Soviet Bloc primarily forthe specific non-strategic applications for which the exportwould be approved and that the number, type and characteristics of such equipnzent are normal for th e approved use;(C) the number of etnbargoed nzemory or s t o r a ~ e equipments in~ l u d e d in equiplnent covered by sub-item (g) does no t exceed 12;(D) 111 the case of parts, conlponents etc. covered by sub-i tem (h),that .the equipment is for use with a computer concurrently orpreviOusl" exported which is no t covered by a nd w ou ld no tthereby become covered by sub-items (a) , (b) , (d), (e), and (f),and does not have and wou ld no t thereby have one or moreof the foliowing:(l ) a read-lvrite cycle time of less than 3 microseconds;(2) a memory bus rate in exces s of 14 million bits per second(memory bus rate equals nunlber of bits per word t imesnumber of overlaps tilnes number of read-write cycles persecond):(3) an. internal lnemory with a capacity in excess of 1.8 millionbits; and(4) W h e r ~ ~ h capacity of a conlputer is being expanded, charactenstlcs which would preclu de i t from consideration2 WI under the foregoing principle conditions.

i s t i ~ s a le[.e the word 'rated' is used it refers to the rated characterbeen ,;:gdfid by t h nlanufacturer; however , where the equipment hasdefinition ItJed ,to Improve the rated characteristics speci fi ed in thegOverning, le unproved characteristics of the equipment shall be.. ,3, All references t b"ynchromzing, etc, 0 nlon ers of 'bits' includes those for checking,1568. Contr 1 '(a) All I 0 eqUlpme,nt, as follows:tifieJ i ~ s ~ s bOf deVIces, regardless of other characteristics, iden

U -Items (b), (c), (d), (e), (f), (g) and (1) below, which

19 AUGUST 1966are designed to operate below -55 0 Centigrade or above +Centigrade;(tb) Synchros and resolvers (and special instruments rated tothe same characteristics as synabros and resolvers in (i) anbelow, such as Microsyns , Synchro-Tels and Inductospossessing any of the following cbaracteristics: .(i ) A rated electrical error of 10 minutes or less or of 0.2cent or less of maXImum output voltage;(ii) A rated dynamic accuracy fo r receiver types of 1 degrless, except that for units of size 30 (3 inches in diametelarger a rated dynamic accuracy of less than 1 degree(iii) Multi-speed from single shaft types;(iv) Of size 11 (1.1 inches in diameter) and smaller;(v) Employing solid state Hall effect;(vi) Designed fo r gim-bal mounting;(c) Amplifiers, electronic or magnetic, specially designed fo r useresolvers, as follows:(i ) Isolation types having a var iation of gain constant (lineof gain) of 0.2 per cent or better;(ii) Summing types having a variation of gain constant (lineof gain) or an accuracy of summation of 0.2 pe r cenbetter;(iii) Employing solid state Hall effect;(d) Induction potentiometers ( including function generatorsl inear synchros) , l inear and non-linear, possessing any offollowing characteristics:(i) A rated conformity of 0.5 pe r cent or less, or of 18 mior less;(ii) Of size 11 (1.1 inches in diameter) and s'm'aller;(iii) Employing solid state Hall effect;(iv) Designed for gim'bal mounting;(e) Induction rate (tachometer) generators, synchronous and a

chronous, possessing any of the following characteristics:(i ) A rated linearity of 0.5 per cent or less;(ii) Temperature-compensation or temperature-correction;(iii) Of size 11 (1.1 inches in diameter) and smaller;(iv) Employing solid state Hall effect;(f ) Servo motors (gt:ar-head or plain) as follows:(i ) Designed to operate f rom power sources of more thancycles per second (except those designed t o ope ra tepower SO:Irces of over 300 cycles pe r second up to andexceeding 400 cycles pe r second wi th a temperature rof from -25 0 Centigrade to + 100 0 Centigrade);Oi) Designed to have a to:r:que-to-inertia ratio of 10,000 radpe r second pe r second or greater;(iii) Incorporating special features to secure internal dampin(iv) Of size 11 (1.1 inches in diameter) and smaller;(v) Employing solid state Hall effect;(g) Potentiometers (and special instruments rated to have thecharacter is tics as potentiometers in (i ) and (ii) below, sucVernistats), as follows:(i) Linear potentiometers having a constant resolution anrated linearity of 0.1 per cent or less;(ii) Non-linear potentiometers having a variable resolution arated confor,mity of:(1) 1 per ,-:ent or less when the resolut ion is inferior toobt ained with a l inear potentiometer of the sameand of the same t rack length;(2) 0 .5 per cent or less than the resolution is better thaequal to that obtained with a linear potentiometer osame type and of the same track length;(iii) Designed for gimbal lnounting;

Note: This sub-item does no t embargo potentiometers usinRswitched elelnents.(h) Direct curre nt and alternating current torquers, Le. tomotors specially designed for gyros and stabilized platform(i ) Electro-optical devices designed to monitor relative rotatio- remote sUl'lfaces;(j ) Synchronous motors, as follows:(i ) Of size 30 (3 inches in diameter) and smallerhaving synchronous speeds in excess of 3,600 revoluper minute;(ii) ,Designed to opera te f rom power sources of more thancycles pe r second;(iii) Des igned to operate below -2 5 0 Centigrade or ab+ 100 0 Centigrade;(iv) Of size 11 (1.1 inches in diameter) and smaller;(k) Ball-and-disc or cylinder-and-iball mechanical integrators; manical ball resolvers;(1) Analogue -t o-digi tal and digita l-t o-analogue converters,follows:(i ) Electric-input types possessing:(1) A peak conversion rate capability in excess of 50complete conversions per second;(2) An accuracy in excess of 1 part in more than 10of full scale; or(3) A figure of 1T.iCfi1t of 5 x 106 or more (derived f romnumber of complete conversions per second dividedaccuracy);

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(i) Mechanical in,put types (including but not l imited to shaftposition encoders and linear displacement encoders but excluding complex servo"lfollower systems) as follows:(1) Rotary types with an accuracy. or maximum incrementalaccuracy better than , 1 part in 10,000 of full s'cale orof size 11 (1.1 inches in diameter) and smaller;(2) Linear displacement types having an accuracy of betterthan 5 microns;(Hi) Employing solid state Hall effect;(m) Semi-conductor Hall field probes, as follows:(i ) Made of indium-arsenide-phosphide (In As P);(H) Coated with ceramic or ferritic materials (e.g. special fieldprobes such as tangential field probes, multipl iers , modulators, recorder probes, etc.);(iii) With an open circuit sensitivity greater than0.12 VoltAmpere x KilogaussNote: The slope of a straight l ine that passes through thepoint of origin and through the point U2 0 : i1 at B=B nin the characteri st ic is def ined as t he open circuit sensitivity(where u21l=Hall voltage, open circuit; i1 =Control current;Bn=Rated value of applied magnetic control field).(n) Special ly designed parts , components, sub-assemblies and testequipment (including adapters, couplers, etc.) for the above.

1570. Thermoelectric materials and devices as follows:(a) Thermoelectric materials with a maximum product of the figureof merit (Z ) -and the temperature (T in Kelvin) in excess of0.75;(b) Junct ions and combinations of junct ions using any of thematerials in (a). above;(c) Heat a1bsorbing and/or electrical power generating devices containing any of the junct ions in (h) above;(d) Other power generat ing devices which generate in excess of 10watts per pound or of 500 w-atts per cubic foot of the devices'basic thermoelectric components;(e) SpeciaUzed parts, components and sub-assemblies, not elsewherespecified, for the above devices.Notes: 1. The figure of merit (Z ) equals Seebeck coefficient squareddivided by the product of electrical resistivity and thermal conductivity.2. The weight and cubic measurements in (d) above are no t intendedto encompass the conlplete device bu t to i nc lude only the thermoelectric elements and assembly and the components for pumpingcalories. Other components, such as heating and/or cooling sources orcontainers, device frames or stands and control equipment are not tobe included in the calculations.1571. Magnetometers and specialized parts therefor, as follows:(a) Fluxgate;(lb) Electron bea.m sensing;(c) Paramagnetic;(d) Nucleonic;(e) Hall effect.Notes: 1. Paramagnetic, as used above, refers to the sensing ofchanges in magnetic field strength by measurement of the effects ofsuch changes in the electron spin phenomena.2. Magnetonleters covered by sub-items (b), (d) and (e) above lnaybe exported provided they are no t desi[!ned to measure magnetic fieldsbelow 0.01 oersted and do no't have response times of less than 2microseconds.1572. Recording and/or reproducing equipment , not elsewherespeciJfied, as follows:(a) Those using magnetic techniques' (except those specifically designed for voice or music).Notes: 1. A Iso excluded from equipment covered by sub-item(a) are such equipment contairzing one control channel.2. The Export Licensing Branch will consider applicationsfor licences for the export of recorders special ly designed fortelevis ion recording using a signal ref?istered with the C.C.I .R.and having all the following characteristics:

(i) nominal recording bandwidth of 3 megacycles or less;(iz) time base error no t less t han 4 microseconds over a 20millisecond interval;(iil) signal/noise ratio of 40 dB or less;(iv) differential gain of L per cent or more;(v) maximum length of time a single scan not exceeding 20milliseconds;(vz) no t ruggedized; and(viz) containing no electronically-controlled delay lines.(b) Those using electrothermal and/or electrostatic recording techniques employing electron beams, operating in a vacuum and/oremploying other means to provide a charge pattern directly onthe recording surface; specialized equ'ipment for the read-out ofmaterial so recorded;(c) Specialized parts, components and recording media for use withequipment described in sub-items (a) and (b) above.Note: 1. The Expor t Licensing Branch will consider applications forlicences for t he expor t to the Sino-Soviet Bloc under sub-item (a)above of reasonable numbers of the equipmentsdescribed below andof amounts of n1,aterials in sub-item (c) normal to the stated Bloc use

BOARD OF TRADE JOURNA.L 19 AUGUST 1966 for which th e equipment was approved.Equipment primarily designed for the recordingducing (read-out) ot : .(I) sinusoidal information on a continuous unidirectiOnaland having an aggregate direct recording and/or rep odbandw'idth capability no t exceeding 50 kilOCYcles Pe' kCwith t he t ape running continuously at maximum rat ~ 8 e c o lirrespective of the number of tracks; e lP(iz) coded data having a maximum direct recording and/oducing bandwid!h of l e s ~ than 100 kilocyc.zes per s e c o ' " J the tape running .contlnuously a t maxIm um rated Wirrespective of the number of tracks, provided that t ~ P e transport is not controlled by the read- in or read-Out dtor connected to the lat ter by means of a computer- eexce.pt for equipment having one of the f o l l o ~ i n g hteristics: C a(1) Ruggedized;(2) Rated for con tinuous opera tion in ambient tempef rom below -100 Centigrade to above +55 0 C e n t ~ a t u (3) Specially designed for underwater use; 19ra(4) A rated tape speed in excess of 60 inches per secOnd'(5) A rated ~ t a r t and/ or stop time of less than 50 millisec'or Vr(6) Recording and/or reproducing heads of the rotafloating types or which were designed for use in equitywith characteris tics superior to those set forth in ( ~ m e (iz) above; andprovided (l ) that the equipment was designed for anprimarily used in non-strategic applications and (2) thatspecific shipments will be used for a specific installation Whis primarily oivil ian in character and wil l not be used in rtion to embargoed equipment or materials except as s p e c i in Note 2 below for computers, and that the number, typecharacteristics of such equipment are normal for the propouse. .Note: 2. The Export Licensing Branch will consider applicatiofor Ucences for the export of materials or equipnlent covered byitem for use with a conzputer concurrently or previously exporprovided such a computer is no t covered by and would not therbe covered by sub-items (a), (b), (d), (e) or (I) and does not havewould not thereby have one or more of the following characteristics(l ) a read-write cycle time of less than 3 microseconds;(iO a memory bus rate in excess of 14 million bits per sec(lnemory bus rate equals nUlnber of bits per word tinumber of overlaps times number of read-write cyclessecond); or(iiO an internal menzory with a capac it y in excess of 1.8 millbits.An y export resulting in an expansion of capacity o f a compumust also meet the conditions of Note 1 to I ie m 1565.Note: 3. In sub-i tem (c) th e tenn 'recording lnedia' is intendedinclude all types and fonns of specialized recording media employin such 'recording techniques, including, but not Unzited to, tape, dru

discs and lnatrices.Note: 4. Sub-iteln (b) of this definition is no t intended to cover doment copying equipment which employs electrothennal and/or eleetstatic techniques to reproduce documents:(i ) on or by way of sensitized or sensitive l1wdia, with which,documents are in physical contact at the til1ze of reproductIOor(iO by u ti li zing a system wherein an inzage of the d O ~ U 1 ~ e n t ,projected optically to nlodify the electrical charge d l s ~ r r b u t lon a surface, whether this be the final copying materralorDintermediate medium.Note: 5. The Export Licensing Branch wil l consider appliccqlOf or licences fo r t he expor t, for use in civ il a ircraf t or helicopters,systems which record fUght data for safet y or lnaintenance purposSuch sys tems should have been in normal civ il use for more t h a ~year, should have a maximum of 100 input channels and a maxllnaggregate recording bandwidth of 500 cycles.1576. Centrifugal testing apparatus or equipment possessing

of the following characteristics: o(a) Driven by a motor o r motors having a total rated horsepgreater than 400 horsepower; .(b) Capable of carrying a payload of 250 pounds or more, e(c) Capable of exerting a centrifugal acceleration of 8 or moron a pay load of 200 pounds or more.1579. Ion microscopes having a resolv ingAngstrom units ....1584. Oscillos'copes and specialized parts t h e r ~ f o r , h f o : ~ ~ ~ i c s (a ) Oscilloscopes possessing any of the followmg c araccycles(i ) An a:mplifier bandwidth greater than ~ megawhichsecond (deifined as the band o f frequencles o v ~ r fall bedeflection on the cathode ray tube does no red \V70.7 per cent of that at maximum point measuconstant input voltage to the amplifier); r centirne(H) A time base shorted than 30 nanose,conds peincluding caHbrated magnified sweep factor; of to k(iH) Employing accelerat ing potentials in excess

volts;

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19'AUGUST 1966, I'n-g or designed fo r t he use of a cathode ra y tube(' ) Con ta In . I t IV , h thr ee or more e ec ron guns,WIt t 'ning or designed fo r the use of:(v) Con aIhode ray memory tubes;(a) cathode ray t ube s w ith travelling wave or distributed(b) ~ ~ e c t i o n structure or incorporating other ~ e c h n i q u e s tominimize mismatch of fast phenomena sIgnals. to thedeflection structure; . . . ,ized to meet a mIlItary specrficatlon; .-

( ~ ~ ) Rugg: for operation over an ambient temperature .range of(vu) fate below _25 0 Centigrade to . above +55 0 C e n h g r ~ d e ;. rom orating a calibrated vana'ble sweep delay wIth an(viii) ~ n c o r p ntal accuracy (measured at the 90 pe r cen t d el aymcreme 3 t'nt) of better than pe r cen ,, ~ O 1 , e time of less than 12 nanoseconds.(IX) '1lrIS opes covered only by (ii) and (Ui) above are notNote: OSCi o ~ b oed provided: , .. C' '11' 1 t' t)em Qrg. TI oscilloscope sensitivIty In ml IVO ts per cen lme. re, ( q ~ d bV the bandwidth in (megacycles per second) results In a

dlVl e J ot less than 3 for DC oscilloscopes and not less thanfigfure Jb noscillosoopes, provided, that the rated sens,itivity is not2 or h 10 millivolts per centimetre for DC 'OSCilloscopes orless t an 5 millivolts per centimetre for AC oscilloscopes;les(b{'iYhe unit does not have a thne base (including calibrateqonified sweep factor) shorter than 20 nanoseconds pe,: centlm ~ t r e or a time base accur.a7y of better tha,n 3 per c ~ n t ,m (c) The unit does not utilize an accelerating potential grea,ferthan 12 kilovolts. . .b) S ecialized parts and a o ~ e s s o n e s as follows. .( ~ c i l 1 o s c o p e plug- in unI ts a n external amplIfiers and p r ~ -amplifiers which have a bandWIdth greater than that d e ~ n e d ~ (a) (i) above or a quality f ac to r better th an th at specIfied Inparagraph (a) ,of t he Note. , . . _ .(c) Electronic deVIces fo r stroboScoPlC a n a ~ y s I s of a sIgnal ( ~ . e .

, sampling devices), w h e t h ~ r s ~ b - a s s , e m b l t e s ,C?r separate u n I t ~ .designed Ito be used in .conJunctIon WIth an . ~ S C J . u o s , c o p e to permItthe analysis of recurnng p h e n o m e n ~ , W h I C ~ Increase tp.e. capabilities of :-1n oscilloscope to permIt m e a s u r ~ m e n t s wI.thln thelimits of equipment e r ; t ~ a ~ g o e ~ under ,sub-Item (a) ( ~ aboveand!or to permit the acolevlng In an o s c ~ l l o S ' c o p e of a ttme-base0f shorter than 30 nanose1conds per centImetre.1585. Photographic e q u i p m e n ~ , as follows: .(a) High-speed cinema reCordIng cameras emplOYIng: ,(i) Film widths 35 millimetres or n a r r o w ~ r and reCOrdIng. atrates exceeding 3,000 frames pe r second In the case of eqUIpment using as the lighting source a s teady light flow and,10 000 frames pe r selcond in the case of equipment using as

t h l ight ing source flash equipment connected to the un-winding system; . , 'Oi) Film widths greater than 35 mllhmetres and reCordIng atrates exce.eding 64 frames pe r second;(b) Other high-speed cameras capa:ble of recording at rates in excessof 250,000 frames per second;(c) Photogr2phic micro-flash equipmeJ?t capable o.f ,giving a flash of1/200,000 second or shorter duration, at a mInImum recurrencefrequency of 200 flashes pe r second;(d) Photographic systems specially designed fo r use in space vehicles;(e) Streak cameras having writ ing speeds of 8 millimetres/microsecond and above capable of re-cording events which are no tinitiated by the camera mechanism.Note: Streak cameras are cameras designed to record theintensity of a liRht source as a funct ion of t ime by movinf? theimage of the source along the film in a single direct ion.1587. Quartz crystals and assemblies thereof in any stage of fabrication (Le, worked, semi-finished or mounted) , as follows:(a) for use as filters:(1) specially designed crystals; or(2) assemblies of crystals;(b) for use as oscillators:(1) designed for operation over a temperature range wider than70 Centigrade;

(2) designed for a frequency stability of plus or minus 0.003per cent or better over the rated temperature range;(3) mounted in glass holders;(4) mounted in metal holders with thermocompression welding;or(5) capable, when mounted, of being' passed through a circularhole with a diameter or 0.42 inches (10.7 millimetres).1588. Materials composed of crystals having spinel, hexagonal or

a ~ ~ i e t crystal, s ~ r u c t u r e s , thin film devices; assemblie's of the foregoing;aces conta,mmg them, not elsewhere specified; as follows:(b) ~ o n o c r y s t a l s of ferrites and garnets, synthetic only;( ) S m . g l ~ aperture forms possessing any of the fol lowing characterIstICS:(i) Switching speed of 0.5 microsecond or less at the minimum.. field s t ~ e n g t h required fo r switching at 40 Centigrade;(c) ~ ~ l ~ maXImum dimension less than 45 m il s (1.14 millimetres);I-aperture forms with fe-wer than 10 apertures possessingany of the following characteristics:

BOARD OF TRADE JOURNAL(i ) Switching speed of 1 microsecond or less at the mlnunfield strength requ.ired fo r switching at 40 Centigrade;(H) A maximum dimension less than 100 mils (2.54 millimetr(d) Multi-aper ture forms having 10 or more apertures;(e) ~ h i n film memory storage or switching devices;(If) Electrical filters in which the coupling element makes use ofelectromechanical properties of ferrites;(g) IMaterials suitaJble fo r app li ca ti on in electrom,agnetic devmaking use of the gyro-magnetic resonance phenomenon.Note: The Export Licensing Branch will consider applicatifor licences to export m,aterials or equipment covered by this ifor use with a computer concurrent ly or previously exported provisuch a computer is not covered by and would nOt thereby be coveby sub-items 1565 (a), (b), (d), (e) or (I) and does not have and wonot thereby have one or more of the following characteristics:(1) a read-write cycle time of less than 3 microseconds,'(2) a memory. bus rate in excess of 14 million bi ts per sec(memory bus rate equals number of bits per word t imes numof overlaps times nunlber of read-write cycles per second),' o(3) an internal memory with a capacity in excess of 1.8 millionAny export resul ting in an expansion of capacity of a compmust also meet the other requirements of Note 1 to Item 1565.

1593. Measuring, calibrating, counting, and t ime interval measuequipment, whether or not incorporating frequency standards, haone or more of the following characteristics:(a) (i) Consisting of, or containing, frequency measuring equipmor f requency standards designed for other than grolaboratory use with an accuracy better than 1 part in 10(ii) Consist ing of, or containing, ground laboratory frequestandards or frequency measuring equipment incorporafrequency standards with a sta'bility ove r 24 hours of 1in 109 or better;(lb) Designed fo r use at frequencies in excess of 1,000 megacype r second;(c) Designed to p rovide a multiplicity of alternative outputquencies controlled by a les se r number of piezo-electric cryor by an interna l or external frequency standard except eqment i n which the output frequency is selected onl y by maopera tion e ithe r on the equipment or on a remote contro land:(i) those forming multiples of a common control frequenc(ii) those in which the outpUt frequency is a multiplecommon f requency which is no t less t han one t hous apart of the oscil lator f requency and is in steps of 1cycle per second or greater;(d) Counting equipment capable of resolving at normal input lsuccessive input signals with less than 0.1 microseconddifference;(e) Time interva l measu ring equ ipment con ta in ing count ing ement as specified in sub-i tem (d) above.

1595. Gravity meters (gravimeters) and specialized parts therdesigned or modified for airborne or marine use.Group H. Metal, Minerals and their ManufacturesIn this Group:Raw materials cover s a ll materials from which the metal causefully. extracted, i ,e . ores, concentrates, matte, regulus, residuesdross (ashes); andUnless provision .to the contrary is made in par ti cu la r items odeflni,tion, th e words met al and alloys cover al l cru de a ndfaJbricated forms as foHows:Crude fOrtns:Anodes, balls, bars ( including not