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BOARD OF T,RADE JOU'RNAL

Revised List ofGoods Subject to Embargo for Soviet Bloc and China'A 'NUMBER of further routine amendments have been made to thelist of goods subject to embargo and the.revised list is setout below.

The list consolidates and supe rs ed es th e embar go listspreviously published in th e Board of Trade Journal on August 15and August 22, 1958, an d January 2 andJune 12, 1959.The embargo list relates to those goods which, for reasons of

national security, are normally prohibited for export to the followingcountries: Albania, Bulgaria, China, Czechoslovakia, the EasternZone of Germany, Hungary, North Korea, North Vietnam, Poland,Roumania, the Soviet Union and Tibet.The l is t is publi shed for the general information and guidance oftraders and does not itself have force of law; it is not a complete l istof goods subject to licensing control. Traders should refer to th eExport of Goods (Control) Order, 1959, as amended, an d th eStrategic Goods (Control) Order, 1959, as amended, fo r th ecomplete schedules of goods which require licensing.Th e l is t is se t ou t in a different form from that in which it hasbeen previously published and in a numbe r o f cases extra detai lhas been added to assist exporters . Serial numbers have also beenincluded as a means of ready identification and reference. New itemsand items in which effective changes have been made since the last publica-tion are sidelined. Four items have been deleted; these are milling

machines for a ircraf t spars, ge rmanium, cobalt compounds andpetroleum based hydraulic fluids.I t is proposed to amend the relevant statutory Orders to takeaccount of these changes as soon as possib le ; in the meantime theExport Licensing Branch will, on application, issue licences for thoseitems which are no longer embargoed.General i nqui ri es about the embargo should be addressedto th e Commercial Relations and Exports Department, Boardof Trade, Horse Guards Avenue, London, S.W.I. (Telephone:Trafalgar 8855, Ext . 7843 or 2632), or to th e appropr ia te Production Department. Applications for export or transhipmentl icences should be addressed to th e Export Licensing Branch,Board of Trade, Gavrel le House, 2 Bunhill Row, E.C.I (Telephone: Monarch 4071), from whom further copies of th e listmay be obtained, and of whom inquiry should be made inany case of doubt as to whether export licences are required.

Group AMunitions List

M.L. 1. Smal l arms and machine guns, as follows:(a) Rifles , carbines, revolvers, pistols, machine pistols and machineguns;(b) All specially designed components and par ts thereforeNote: The Export Licensing Branch will consider applications forlicences to export small quantities of small arms such as rifles, shotguns,carbines or pistols designed for sporting or ornamental purposes, andammunition therefor.M.L. 2. Artillery and projectors, as follows:(a) Guns, howitzers, cannon, mortars, tank destroyers, rocket launchers,military flame throwers, recoilless rifles;(b) Mil itary smoke, gas and pyrotechnic projectors;(c) All specially designed c o m p ~ n e n t s and par ts for th e foregoing.M.L. 3. Ammunition, and all special ly designed components andparts thereof, f or t he weapons enumerated under items 1 and 2.See Not e t o Item 1 above.M.L. 4., Bombs, torpedoes, rockets and missiles guided or unguided,as follows:(a) Bombs, torpedoes, grenades ( including smoke grenades) , smokecanisters, rockets, mines, missiles, guided or unguided, depthcharges, fire bombs, incendiary bombs ; and all specially designedcomponents and parts therefof;(b) Apparatus and devices specially des ign ed f or th e handling,control, activation, launching, laying, sweeping, discharging,detonation or detection of items enumerated in sub-item (a);and 'all specially designed components and parts therefor;(c) Military' fuel thickeners specially formulated for th e pur po se o fproducing materials which, when added t o pet ro leum products,provide a gel-type incendiary material for use in bombs, projectiles,Same throwers or other implements of war.

M.L. 5. Fire control equipment and range finders, as follows.(a) Fire control, gun laying, night sighting, missile t r a c k guidance equipment;(b) Range, position and height finders, and spotting instnuspecially designed for mil itary purposes;(c) Aiming devices, elect ronic, gyroscopic, acoustic and Ospecially designed for military purposes;(d) Bomb sights, bombing computers, gun sights and periscspecially designed for military purposes;(e) Television sighting units specially designed for military purand inertial platforms;(f ) Components, parts, accessories, and attachments specially defo r t he articles enumerated in sub-items ( a) , (b) , (c), (d) aabove.

M.L.6. Tanks and vehicles specially designed for military puras follows,:(a) Tanks and self-propelled guns;(b) Military type armed or armoured vehicles, and vehicles fittemountIngs for arms;(c) Armoured railway trains;(d) Military half tracks;(e) Military type recovery vehicles;(f ) Gun carriers and tractors specially designed for towing artill(g) Trailers specially designed to carry ammunition;(h) Amphibious and deep water fording military vehicles;(i) Mil itary mobi le repai r shops specially designed to service requipment;(j) All other specially designed military vehicles;(k) Pneumatic tyre casings (excluding t ractor and farm impltypes), of a kind specially constructed to be bullet proof orwhen deflated;(1) All specially designed components and parts for the foregoinM.L. 7. Toxicological agents, as follows:(a) Biological, chemical and radio-active materials adapted forwar to produce casualties in men o r animals, or to damage(b) Equipment specially designed and intended for th e dissemino f t he materials described in sub-item (a);(c) Equipment specially designed and intended for defenceth e materials described in sub-item (a), and for their detectioidentification;(d) Component s and par ts specially designed for the items li(b) and (c) above.IVI.L. 8. Powders, explosives and propellants, as follows:(a) Powders and liquid or solid propellants for the articles enumin Items Nos. 3, 4 and 7;(b) Mil itary high explosives;(c) Chemica l base h igh energy solid or liquid fuels speciallyfor military purposes;(d) Fuming nitric acid.Note: Th e Export Licensing Branch will consider applicatiolicences for the export o f propellants and explosives normally ucivilian or industrial purposes or made into cartridges or chargeexclusively civilian or industrial nature.M.L. 9 Vessels of war, and special naval equipment, as follow(a) Combatant vessels or vessels designed for offensive or deaction (surface or under-water);(b) (i) Diesel engines of 1,500 horse power and over withspeed of 700 revolutions per minute or over, specially dfor submarines; .(ii) Electric motors specially designed for submarines, I1,000 hor se power qui ck reversing type, liquid cooltotally enclosed;(c) Magnetic, pressure, and acoustic underwater detectionspecially designed for mil itary purposes; specialized controcomponents thereof;(d) Submarine and torpedo nets;(e) Components, parts, accessories and attachments for the fo:such as turrets, naval gun mounts , submarine batteriecatapults.M.L. 10. Aircraft and helicopters, piloted or pilotless, and a e r o - eand aircraft equipment, associated equipment and components, sdesigned for military purposes, as follows:(a) Combat aircraft and other aircraft specially designed forpurposes, i nc luding mil it ary reconnaissance assault,training and logistic support,and all aircraft having special s t ~features such as multiple hatches, special doors, ramps, reufloors and the like for transporting and airdropping troops,equipment and supplies; aero-engines specially designed orfor use with such aircraft, and specialized component parts(b) Airborne equipment, including airborne refuelling ~ q U specially designed for use with the aircraft and t he engme

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BOARD' pp, TB:A'DB JOURNAL, 5 FebruarY 1960

t Bloc and China (Continued)SOVletypes of aircraft covered by sub-item (a) and specialized componentparts thereof; ... .) Pressure refuellers, pressure refuelltng equipment, equipment(c s ecially designed to facilitate operatio?S in confined areas .and~ o u n d equipment not elsewhere speCified, developed speCiallyfor aircraft, aircraft engines and balloons covered by sub-items (a)and (e); h' . d' I .(d) Pressurized breat Ing eqUIpment an partla pressure SUitS lo ruse in aircraft; anti- 'G ' suits; military crash helmets; parachutesused for combat personnel, cargo-dropping, ~ n aircraft d e ~ e l ~ r a -ti on ' l iquid oxygen converters used for aircraft and missIles;catapults and cartridge ac.tuated devices uti lized in emergencyescape of personnel from aIrcraft;(e) Non-expansive balloons in excess of 3,000 cubic feet capacity.

M.L. 11. Electronic equipment specially designed for military use;and components and parts therefor. ,M L 12 photographic equipment as follows:(a)' (i) Air r e c o n n a i s s a ? - ~ e cameras and associated e q u ~ p m e n t designedand used for mIlitary purposes;(ii) Film processing and print ing machines designed and used formilitary purposes;(b) Other cameras and o th er devices recording on film speciallydesigned and used formilitary purposes, and specialized equipmentdesigned to make the recorded information militarily useful;(c) All specially designed component s and par ts for the foregoing.M.L.13. Special armoured equipment as follows:(a) Armour plate;(b) Military helmets;(c) Bodv arnlour and flak suits;(d) Components and parts specially designed for equipment in (c)above.M.L. 14. Specialized military training equipment as follows:(a) Specialized military training equipment;(b) Components, parts, attachments and accessories specially designedfor such equipment.M.L.15. Military infra-red equipment and specialized componentstherefor, not elsewhere specified.M.L. 16. Munitions components and materials, as follows:(a) Brass and bronze fabrications for primer anvils, fabrications forbullet caps (gilding metal clad steel), cartridge link. primer cap,shell rotating band;(b) Copper rotating bands for shell s, and other copper munit ionscomponents;(c) Gilding metal clad steel;(d) Rough steel forgings, s teel and alloy castings for guns and for

arms.M.L. 17. Miscellaneous equipment and materials as follows:(a) Tear gas and equipment for the dissemination thereof;(b) Self-contained div ing and underwa te r swimming apparatus asfollows:(i) Closed and semi-closed circuit (rebreathing) apparatus;(ii) Specially designed components for use i n t he conversion ofopen-circuit apparatus to military use;(iii) Articles exclusively designed for military use with self-contained diving and under-water swimming apparatus;(c) Bayonets;(d) Fire arrrJS silencers (mumers);(e) Power controlled searchlights and control units therefor, designedfor military use.M.L.18. (a) Specialized machinery equipmen t an d gear speciallydesigned for the examination, manufacture, testing and checkingof the arms, ammunition, appliances and machines referred to inthis Group;(b) Vibration testing equipment capable of providing a thrust greaterthan 2,000 lbs. and specialized ancillary equipment thereforeM.L. 19. Climatic conditioning chambeers capable of simulating anyof th.e following conditions over the whole range of altitudes from sea levelto 7:>,000 feet or above: temperature, pressure, radiation or humidity.

Group BAtomic Energy List

l' ~ . E . 1. Source (fert ile) and fissionable materials, including bu t no tunIted t? the following:(a) Mlne:als, raw and treated (including residues and tailings) which

c o n t a l I ~ either uranium or thorium or any combination thereof,e x c e ~ d l n g 0 ,05 pe r cent. by weight, as follows:

~ ~ Ores containing uranium including pitchblende;~ ~ ~ ) Monazite and monazite sands;(UI) Ores containing thorium including urano-thorianite;

27'

(b) Natural uranium, unwrought or wrought, including alloys ancompounds of natural uranium, having an uranium content expeeding 005 pe r cent. , excepting medicinals;(c) Uranium, 233, alloys containing uranium 233 and compounds ouranium 233 ;(d) Uranium enriched in ' the isotope 235J alloys containing uraniumenriched in the isotope 235, and compounds of uranium enrichei n t he isotope 235;(e) Irradiated uranium containing plutonium;(f ) Plutonium, alloys containing plutonium and compounds containinplutonium;(g) Thorium, unwrought or wrought , and alloys and compoundcontaining thorium, excluding alloys containing less than 1'5 pecent. of thorium by weight, and e x ~ e p ~ medicinals;(h) Irradiated thorium containing uranium 233.A.E. 5.. Deuterium and compounds, mixtures and solutions containindeuterium, including heavy water and heavy paraffins, in which the, ratiof deuterium atoms to hydrogen atoms exceeds 1 :5,000 by number.A.E.6. Tetrafluoroethylene, polymerized or not; and manufacturewholly thereof. 'A.E. 7. Trifluorochloroethylene, polymerized or not; andman\lfacturwholly thereof.A.E. 8. Zirconium metal, alloys containing more than 50 pe r cenzirconium by weight, and compounds, fu which the ratio of hafniumcontent to zirconium content is less than one part to 500 parts by weighand manufactures wholly thereof.A.E. 9 . Nickel wire containing 95 pe r cent. or more nickel, 010 millmetre or less in diameter.A.E.10. Woven wire mesh composed of wire containing 95 pe r cenor more nickel and containing 60 or more wires pe r linear centimetre.A.E. 11. Nickel powder.A.E.12. Beryllium metal (excluding beryllium windows fo r medicX-ray machines); beryl (excluding gem ,grade) and ores; alloys containinmore than 50 pe r cent. beryllium by weight; oxides and compounds.A.E. 13. Materials, suitable for use in refractories, composed97 pe r cent. or more by weight of beryllium oxide, magnesium oxide, ozirconium oxide, or composed of zirconium oxide stabilized with limand/or magnesium oxide; and crucibles, moulds and pouring rodcomposed of anyone of the foregoing.A.E.14. Fluorine.A.E.15. Chlorine trifluoride.A.E. 17. Fluorinated hydrocarbons, as follows:Trichlorotrifluoroethane;Dichlorotetrafluoroethane;Monochlorodifluoromethane.A.E. 18. Equipment specially designed for the separation of isotopesuranium and/or lithium.

A.E.20. Dosimeters capable of measuring in one exposure dosagabove 5 roentgens, excepting those specially designed for use with medicradiation equipment.A.E. 22. Ion separators, electromagnetic, including mass spectrograpand mass spectrometers, with analyser assemblies capable of handlinuraniunl hexafluoride (UF 6). and solid source mass spectrometersmass spectrographs, of high sensitivity.A.E.24. Positive ion sources suitable for use in mass spectrograpand mass spectrometers and capable of handling uranium hexafluorid(U F 6).A.E.27. Valves, with bel lows seal, wholly made of or lined wialuminium, nickel, or alloy containing 60 pe r cent. or more nickel, eithmanually or automatically operated.A.E. 28. I nduc ti on t ype vacuum furnaces designed to operatepressures lower than 01 millimetre of mercury and a t t empera tur

higher than 1100 Centigrade.A.E. 29. Centrifuges, capable of the enrichment or separationisotopes, with a peripheral speed of 1,000 ft. (305 metres) pe r secondmore, wholly made ofor lined with aluminium, nickel, or alloy containin60 per cent. or more nickel, and centrifugal bowls made of these materialA.E.30. Blowers and compressors (turbo, centrifugal and axial flotypes), wholly made ofor lined with aluminium, nickel or alloy containi60 pe r cent. or more nickel, and having a capacity of 60 cubic feet pminute (1,700 litres per minute) or g r e a t e r ~A.E. 31. Electrolytic cells for the production of fluorine.A.E. 33. Heat exchangers (tubular) and components therefor (excealuminium tubing) desl,gned to operate at pressures of 300 pounds psquare inch and above and with flow contact surfaces made of any of tfollowing materials: aluminium, nickel, titanium, zirconium', or allocontaining 60 per cen t. o r more nickel.

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278 BOARD OF TRADE JOURNAL

Soviet Bloc and China (Continued)A.E. 34. Artificial graphite, in the form of blocks or rods from whicha cube of 2 ins. s ide or greater can be cut , and having a boron content ofless than, or equal to , 1 part for a mil lion, the total thermal neutronabsorption cross section being less than, or equal to, 5 millibars per atom.A.E.35. Lithium metal, compounds, ores and concentrates.Not e: The Export Licensing Branch will consider applications forlicences for exports of medical lithium compounds.A.E. 36. Nuclear reactors.

Group CMetal-Working Machinery

1002. Jig bor ing and/or grinding machines with tables possessing anytraverse (longitudinal, transverse or vertical) exceeding 44 inches.1006. Deep hole drilling machines in which the coolant passes throughthe drill; and hollow drills for such machines.

I1016. Grinding heads and spindle assembles (consisting of spindlesand bearings as a minimal assembly) designed or rated for operation atspeeds in excess of 120,000 revolutions per minute andmachines speciallydesigned for the utilization of such grinding heads.1070. Forging hammers as follows:(a) Counter-blow hammers of rated sizes of 180,825 foot pounds or

more;(b) Horizontal impact hammers hydraulically actuated, of rated sizesof 10,000 foot pounds or more.1072. Presses and specialized controls, accessories and parts therefor,as follows:(a) Presses actuated by explosives;(b) Specially designed or re-designed for the working or forming ofmetals, alloys or other materials with a melting point exceeding1,9000 Centigrade;(c) Mechanical and hydraulic, no t elsewhere specified, with totalrated pressures of over 5,000 tons;Note: The Export Licensing Branch, provided they are satisfiedthat the presses are no t special ly designed for use in formingaircraft, missile, or space vehicle parts, in powder metallurgy orin ceramics production, will consider applications for licences forexports of:(i) Horizontal extrusion presses having a total rated pressureless than 10,000 tons; and(H) Vertical presses having a tot al ra ted pressure less than

15,000 tons.(d) Control equipment, accessories and parts which are speciallydesigned for the above presses.Note : The Export Licensing Branch will consider applicationsfor licences for the export of normal amounts of equipment coveredby part (d) above to service presses exported under the Not e t opart (c) above.1075. Spin forming machines, except'those with a spindle drive motor25 horse power or less.1080. Machines and equ ipment specially des igned for making ormeasuring gas turbine blades.1081. Machinery for use in the manufacture of aircraft, as follows:(a) Machinery specia lly des igned for the working or forming ofaircraft sheet, plate or extrusion;(b) Machinery specially designed for the milling of aircraft skin.1086. Machines specially designed for the manufacture of jet engines,

the following:(a) Jet engine compressor case boring machines;(b) Jet engine compressor or turbine disc turning machines;(c) Je t engine rotor grinders.1087. External surface broaching tools specially designed for the pro-duction of je t engine blades or discs.1088. Gear making and/or finishing machinery, as follows:(a) Gear grinding machines, generating type, of 36 ins. work diameterand above;(b) Capable of the production of gears of a module finer than 05 millimetre (diametral pitch finer than 48).1091. E lect ronic c losed loop feed back cont rols fo r machine tools(cutting or forming) in which a cont inuous feed back of informationf rom the work piece or tool or work piece carrier or tool holder i tselfresults in continuous correction of the control commands; and machinetools incorporating such controls.

Group DChemical and Petroleum Equipment

1101. Equipment specially designed for the conversion of dinitetroxide to nitric acid of 98 pe r cent. or higher concentration orconcentration of dinitrogen tetroxide and/or nitric oxides o m i thereof.1106. Centrifugal counter current solvent extractors specially defor the extraction of radio active substances.1110. Gas liquefying equipment, as follows:(a) Equipment no t elsewhere specified, specially designed fproduction of gases in liquid form, capable of operating at preof 300 Ibs. per square inch or over, and producing 1 ton or mday of gas in liquid form, except:(i) Pla!1ts no t c ~ p a b l e of producing more t h a ~ 2? per ctheIr total daIly product as extractable gas In lIquid fo

(i.i.> P l a n ~ s specially.designed for ~ i q u e f , i n g chlorine ?r a m m (UI) Stationary eqUIpment for IIquefymg carbon dIoxide(iv) Equipment for l iquefying low molecular weight r gases;(b) Liquid fluorine producing equipment;(c) Equipment for the separation of helium from natural gases.112. Equipment for production and/or concentration of deut

OXide.1118. Equipment for the production of military explosives, as fo(a) Complete installations;(b) Specialized components;(c) Nitrators: continuous types.1125. Plant for the production of titanium and/or zirconium(excluding separate plant for the product ion of t itan ium tetrachlor zirconium tetrachloride) as follows:(a) Complete installations;(b) Specialized components;(c) Electric furnaces specially designed for the recovery of titaor zirconium from scrap.

I 1129. Ion vacuum pumps (that is, those using the principleof ionizexcept those having pumping speeds of less than 800 litres of hydper second at a pre ssure of 10-6 millimetre of mercury or morespecially fabricated parts and accessories, not elsewhere specified1131. Pumps (except vacuum pumps) capable of deliveringseparately or in combination with solids and/or gases and havingthe following characteristics:(a) Designed to move molten metals by electromagnetic forces;(b) Specia lly designed for opera tion at tempera tu res belowCentrigrade;(c) Having all flow contact surfaces made of any of the follmaterials:(i) 90 per cent. or more tantalum, titanium or zirconium,separately or combined;(ii) 50 per cent. or more cobalt or molybdenum, either sepaor cornbined;(iii) Polytetrafluoroethylene; polytrifluorochloroethylene.1133. Valves, cocks and pressure regulators, no t elsewhere speas follows:(a) Specially designed to operate at temperatures below-130grade;(b) Having all flow contact surfaces made of any of the f o l materials:(i) 90 per cent. or more tantalum, titanium or zirconium,separately or combined;(ii) 50 per cent. or more cobalt or molybdenum, eitherately or combined;(Hi) Polytetrafluoroethylene; polytrifluorochloroethylene.

I See also A.E. 27.1142. Pipe and tubing made of, lined with or covered with polyIfluoroethylene or polytrifluorochloroethylene.See also A.E. 6 and 7.1145. Containers, jacketed only, for the storage or transportatioliquefied gases, including mobile units, as follows:(a) Of 1,893 litres (500 gallons) capacity or over, designed f o nitrogen, oxygen, hydrogen, ozone, helium, argon or fluorU

except2-shell containers rated for an average evaporation loss o5 per cent. per 24-hour period; such loss is to be calc!Jlatepercentage of the total l iquid capacity of the contaIner(Continued on next p

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5 February 1960 BOARD OF TRADE JOURNAL 2

t Bloc and China (Continued)SOYlembient temperature conditions of +75 0 Fahrenheit (+24 0Centigrade) or higher and without e x ~ o s u r e to direct s u n l i g ~ t ;(b) Of 946 litres (250 gallons) u p to 1,893 lItres (500 gallons), designedI for the handling of liquid fluorine.1150 Rotary rock drill bits (i.e. having cones or sections which rotatef I ~ n independently o f the rotation of the body of th e bit).reE Yuipment for separation of isotopes. (See A.E. 18.)c ~ c i b l e s moulds and pouring rods of refractory materials. (SeeA.E.13.)

Ion s e p a r ~ t o r s , electromagnetic. (See A.E. 22.)I duction type vacuum furnaces. (See A.E. 28.)&ntrifuges capable o f the enrichment or separation of isotopes. (SeeA.E.29.) (S A E 30 )Blowers and compressors. ee... . .Electrolytic cells for the production of fluorIne. (See A.E. 31.)Heat exchangers and components. (See A.E. 33.)

Group EElectrical and Power-Generating Equipment

1203. Electric vacuum furnaces as follows: .(a) Consumable electrode vacuum arc furnaces, no t elsewhere speCI-fied, with a capacity in excess of 5 tons;(b) Skull type vacuum arc furnaces;(c) Electron beam vacuum furnaces.1255. Diesel engines, 50 h .p . and over, whose non-magnetic contentexceeds 50 per cent. of their total weight.1266. Electric power generating mobile units of over 5,000 kW.

Group FGeneral Industrial Equipment

1305. Metal rolling mills, the following:(a) Sheet and strip mills as follows:1. Having automatic work rol l adjustment controls for taperingor contouring along the length of the sheet or strip;2. More than three-high, no t elsewhere specified (includingdual purpose mills which can operate as either two- or fourhigh) which achieve special lateral and/or longitudinalcontour control by one or more of the following means:(i) Work rolls hav ing a ratio of roll face length to rolldiameter which exceeds either:6 : 1 f or rolls with roll face length up to and including30 ins .; or5 : 1 for rolls with roll face length exceeding 30 ins.;(ii) Work roll contour control achieved by concurrentdeforming of back-up rolls, back-up shafts or workrolls;(iii) Closed loop electronic gauge controls;(iv) Control tensiometers (devices which both measureand automatically maintain appropriate adjustment ofthe tension applied to the metal being rolled);(v) Any ot he r feature achieving special lateral and/orlongitudinal contour control comparable to thoseachieved by (i) to (iv);(b) Mills specially designed or re-designed for the rolling of metalsand alloys with a melting point exceeding 19000 Centigrade;(c) Specialized controls, par ts and accessories for th e above mills.Note I . The term 'sheet and strip mills ' covers mil ls for the rollingof plate, sheet, strip, foil and any equivalent product .. Note 2. The Export Licensing Branch will consider applications forlIcences for the export of:(a) Hot mills possess ing any of the characteristics covered by subparagraphs (i) to (v) if these characteristics do no t present an

improvement in kind and/or quality on similar devices incorporatedinto operating mills of the same type and size prior to January 1 ofthe year three years preceding the year of licensing;(b) Cold mills possessing any of th e characteristics covered by su bparagraphs (i) to (v) if these characteristics do no t present an~ m p r o v e m e n t in. kind and/or quality on similar devices incorporatedInto any operating cold mil l before January 1 of the year threeyears preceding the year of licensing;(c) All controls, par ts and accessories for the above mills.The term 'improvement in kind or quali ty ' applies only to technicaldevelopments resu lting in a material increase in efficacity or reliabilityto achIeve the exceptionally close tolerances in lateral and/or longitudinalContour required for military purposes.Note 3. Sub-paragraph (a) (2) (i ) of the definition does not cover:(a) Mills having multiple work rolls rotating in a planetary form roundthe back-up rolls;~ Mills specially designed for the rolling of aluminium foil.

hote 4 The te rm 'more than three-high' covers any mi ll in whicheac Work roll is supported by one or more back-up rolls.

1325. Construction equipment built to military specifications, speciadesigned for airborne transport.1353. Cable-making machinery specially designed for making multipelectric cable for telecommunications purposes, as follows:(a) Machinery o ther than that covered by Item 1354 for applyiinsulating material to conductors;(b) Machinery for laying conductors together and/or for apply ian insulating, separating, binding or identifying material there(c) Machinery for laying up conductors, pairs, quads, etc., togethto form the complete cable core or part thereof.1354. Cable-making machinery specially designed for making coaxcable, as follows:(a) Machines for applying insulating separators to the inner conducof air-spaced coaxial electric cables;(b) Machines for applying metal strip or sheet to form the ouconductor of coaxial electric cables;(c) Mach ines for forming, st rand ing, or assembling coaxial cabwith or without conductors other than coaxial tubes;(d) Automatic equipment for controlling the diameter or the eccentrity of extruded dielectric on wires and cables.1355. Electronic valve making machinery as follows:(a) Machinery, equ ipment and t es t g ea r specially designed for tmanufacture of the various types of embargoed electronic valvtransistors and crystal diodes (including components or suassemblies therefor);(b) Machinery, equ ipment and tes t gear specially designed for t

automatic or semi-automatic assembly of electronic valves, transtor s and crystal diodes (including components and sub-assemblitherefor).1360. Equ ipment fo r t he manu factur e o f semi-conductor materiaas follows:(a) Equipment special ly des igned for the production or processiof dendritic forms of any semi-conductor material, or combinatithereof, sui table for use in diodes or transistors;(b) Equipment not elsewhere specified, specially designed for purifyiand processing silicon and germanium except equipment designfor the zone purification of germanium.Note. Th e term 'dendritic' signifies a ribbon-like product of semconductor material which may be drawn in various widths, thicknessand lengths and which may represent processing stages from a relativepur e fo rm o f the nlaterial through advanced stages of treatment.1380. Centrifugal and axial flow compressors or blowers, no t elsewhespecified, capable o f an overall compression ratio of 2 : 1 or more couplwith a capacity of over 372,000 cubic feet per minute or of an over

compression ratio of 3 : 1 or more coupled with a capacity of over 106,0cubic feet pe r minute.See also A.E. 30. Group GTransportation Equipment

1405. Ice breakers of 10,000 shaft horsepower and over.1410. Tankers designed for speeds of more than 18 knots whenfull load (design) condition.1415. Warships (whether or not converted to non-military use anregardless of current state of repair or operating condition); and hulor parts of hulls, for such ships.See also M.L. 9.1416. Vessels, as follows:(a) Fishing vessels and hulls therefor designed for speeds of 17 knoor over when in full load (design) condition;(b) Seagoing vessels including coasters and hulls therefor no t elsewhe

specified des igned for speeds of 20 kno ts or over when in fuload (design) condition;(c) Vessels with hulls and propulsion machinery made whollyprimarily of non-magnetic materials;(d) New ships with decks and platforms specially designed or strengtened to receive weapons.Note. : The Admiralty or the Ministry of Transport, as appropriatshould be consulted about any vessels which contain any embargoitems or have arrangements for demagnetization.1430. Buoyant electric conducting cable suitable for sweeping magnetmines.

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B ~ A R D OF TRADE JOURNAL

t Bloc and China (Continued)SOleComponents and sub-assemblies, including modulators and(c) modulation amplifiers, specially designed for use in transmitterscovered by sub-items (a) and (b).

1518 Telemetering and telecontrol equipment sui table for use with. aft' (piloted or pilotless), space vehicles or weapons (guided or!atrcrunguided).1519. Telegraph equiI?ment, as foll?ws: .( ) Equipment (machines), mechanical, electro-mecharucal, or elec-a tronic used t o t ransla te the information contained in written orprinted text into electrical waveforms sui table for t ransmiss ionover communication circuits at any speed greater than 200 wordsper minute or 150 bauds , whichever is the less; except equipmentoperating at a speed of 300 bauds where the corresponding numberof words does not exceed 65 words per minute;(b) Equipment d ~ s i g n e d to accep! s u ~ ~ electrical waveforms and displaythe information from them I II VISible form;(c) Specialized component par ts and accessories for such equipment.1520 Radio relay communications equipment and specialized com

p o n e n t ~ and sub-assemblies therefor, other than short-range and lowpower links for .transmissions between the camera or studio and thetelevision transmitter.1521. Amplifiers, not elsewhere specified, as follows:(a) Designed to operate at frequencies in excess of 500 Mc/second;(b) Tuned amplif iers having a bandwidth (defined as the band offrequencies over which the power amplification does not drop toless than one-half of its maximum value) which exceeds 10Mc/second or 10 pe r cent. ofthe mean frequency, whichever is less.(The mean f requency is def ined as the arithmetic mean betweenthe frequencies at which the power amplification is one-half of itsmaximum value);(c) Untuned amplifiers having a bandwidth, as defined in sub-item (b)above, which exceeds 10 megacycles pe r second;(d) Direct current amplifiers having a noise level (referred to the inputcircuit) of 10-16 watts or less and/or a zero drift in 1 hour corresponding to a change in input power of 10- 16 watts or less;(e) Parametric amplifiers with a noise figure of merit of 5 decibels orless measured at a temperature of 170 Centigrade, and paramagneticamplifiers; and specially designed parts therefore1523. Line communication transmission equipment as follows:(a) Terminal and intermediate repeater or amplifier equipment designedto deliver, carry or receive frequencies higher than 16 kc/secondinto, or in, a line communication system;(b) Multi -channel telegraph terminal t ransmitt ing and receivingequipment;(c) Specialized components, accessories and sub-assemblies for theabove equipment.Note: In cases where the equipment is to be installed in circuitsdirectly connect ing densely populated industr ia l areas of Sino-SovietBloc countries with communication systems of countriesoutside the Bloc,the Export Licensing Branch will consider applications for licences forthe export of l ine communication transmission equipment having thefollowing characteristics:(1) Terminal and intermediate repeateror amplifier equipment designedto deliver, carry or receive no t more than 60 voice channels of4 kilocycles per second each;(2) Multi-channel telegraph terminal transmitting or receiving' equipment transmitting or receiving no t more than 6 channels ' and/ordesigned for speeds no t exceeding those defined i n I tem 1519.1 ~ 2 5 . Coaxial -type cables ( including :submarine cables) speciallydeSIgned for telecommunication purposes (including radar) other than

t h o s ~ specially designed or in common use for domestic radio and televisionreceIVers.. Note: The Export Licensing Branch wil l consider applications for

~ c e n c e s for the export of submarine cables in cases where i t is to betnstalled in circuits directly connecting Sino-Soviet Bloc countries withconununication systems of countries outside the Bloc.1526. Communication cable (including submarine cable) of any typecontaining more than one pai r of conductors and containing any conductor, single or stranded, exceeding 066 millimetres in diameter.

li Note: The Export Licensing Branch wil l consider applications forcences for the export of:(1) ~ a b ~ e s containing any number of conductors up t o 09 millimetresI diameter where these cables have not been manufactured as longdIstance communication carrier frequency cables; and(2) Cable neither containing more than two pairs of conductors no rContaining any conductor, single or stranded, exceeding 14 millimetres in diameter where the cable is to be installed in circuitsdirectly connecting densely pop\llated industrial areas o f S ino Soviet Bloc countries with communicat!ons systems with countriesoutside the Bloc.

%8

1527. Equipment designed to provide secrecy facilities on either voicor telegraph, line or radio communication circuits other than thossystems making use of frequency inversions or band scrambling techniques.1529. Electronic measuring, testing or calibrating instruments, havinone or more of the following characteristics:(a) Those designed for use at frequencies in excess of 500 Mc/seconexcept radio spectrum analysers. (See Item 1533);(b) (i) Frequency measuring equipment or frequency standarddesigned for other than ground laboratory use with an accuracbetter than 1 par t in 101 ;(ii) Ground laboratory frequency standards or frequency measurinequipment incorporating frequency standards with a stabilitover 24 hours of 1 part in 10 ' or better;(c) Testing instruments rated to maintain their specified operatindatawhen operatingover a range of ambient temperatures extendinfrom below -25 0 Centigrade to above +55 0 Centigrade.1530. Apparatus for automatical ly sorting electronic components irespect of their electrical characteristics.1533. Radio spectrum analysers (being apparatus capable of indicatinthe single-frequency components of multifrequency oscillations) afollows:(a) Designed to operate at frequencies over 500 megacycles pe r second(b) Designed to operate at frequencies over 300 Mc/second and usininterchangeable heads (Le. radio-electric frequency tuning systemsand incorporating integral sweep facilities;(c) Specialised components, accessories and parts of (a) and (b).1537. Electromagnet ic wave guides and component s the re for, afollows:(a) Rigid waveguides and components designed for use at frequenciein excess of 12,500 megacycles per second;(b) Flexible waveguides of all types;(c) Waveguides having a bandwidth ratio greater than 15 : 1;(d) Waveguide components, no t elsewhere specified, as follows:( i) Directional couplers having a bandwidth ratio greater tha15 : 1 and directivity over the band of 15 decibel or more(ii) .Circulators using gyro-magnetic properties;(iii) Rotary joints capable of transmitting more than one isolatechannel or having a bandwidth g,reater than 5 per cent. othe centre mean frequency;(iv) Magnetic waveguide components.

I 1541. Cathode-ray tubes, as follows:(a) Specially designed or used only for radar and/or counter-measurequipment covered by Items 1501 and 1507;(b) With writing speeds of more than 3,000 kilometres pe r second;(c) With three or more electron guns, except three-gun colour television tubes designed for entertainment use;(d) Alpha-numeric and similar data or information display tribedisplay being obtained either by scanning or other means excludinthose tubes in which the displayed position of each character ifixed.1544. Semi-conductor diodes, including rectifier diodes and switchindiodes, bu t excluding photodiodes (see Item 1548) as follows:(a) Any semiconductor diode in which the bulk material is other thasilicon, germanium, selenium or copper-oxide;(b) Signal diodes (including mixer, frequency-changing and switchindiodes):(i) Point contact type diodes in which the bulk materialsilicon and which are des igned for use at input frequenciegreater than 300 megacycles per second;(ii) Point contact type diodes in which the bulk materialgermanium and which are designed fo r u se at input frequencies greater' than 1,000 megacycles pe r second;

(Hi) Junction type diodes in which th e bulk material is silicoand which are des igned for use at input frequencies greatethan 1 Mc/second or which are designed for switching rate(repetition frequency) higher than 100 kilocycles pe r secondNote: This sub-item wil l normally include switchint ype diodes hav ing a recovery' time less than 2 microseconds. Th e recovery time is to be specified for a decreasof reverse current to a value of 100 microamps or less anmeasured with a forward current and a reverse voltage whicare typical for the diode in question. ,(iv) Junction type diodes in which the bulkmaterial isgermaniumand which are des igned for use at input f r e q u ~ n c i e s Jt:8:tethan 300 Mc/second or which are des igned for SWItchinrates (repetidon frequency) higher than 1 Mc/second;Note: This sub-item will normally include switching typdiodes having a recovery time of less than 02 micI'9seconds(Continued on' next page)

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BOARD OF TRADE JOURNAL82

Soviet Bloc and China (Continued)Th e recovery time is to be specified for a decrease of reversecurrent to a value of 100 microamps or less and measuredwith a forward current and a rever se vol tage which aretypical for the diode in question.(c) (i) Power diodes in which the rated peak inverse voltage exceeds1,0()() volts pe r junction at 25 0 Centigrade under any conditionsof cooling;(ii) Controlled diodes, Le. semi-conductor multiple-junctiondevices for applications similar to those of grid-controlled

gas-filled tubes, designed f or use at switching rates (repetitionfrequency) higher than 100 kilocycles pe r second.1545. Trans is tors and related devices (or related semi-conductoramplifying devices such as fieldistors, spacistors and technetrons) andspecialized parts therefor, as follows:(a) Of any type using any semi-conduc tor material having four ormore active junctions \vithin any single block of semi-conductormaterial;(b) Of any type using a bulk semi-conductor material o ther t hangermanium;(c) Using germanium as the bulk semi-conductor material and havingany of the following characteristics:(i) An average f alpha of less than 50 Mc/second and designedto have a maximum collector dissipation (in watts) multipliedby th e average f alpha (in Mc/second) greater than 75;(ii) An average f alpha of 50 to 150 Mc/second and designedto have a maximum collector dissipation greater than150 milliwatts;(iii) An average f alpha greater than 150 megacycles per second.(d) Specially designed or rat ed for use as a swit ching transistor forswitching rates (repetition frequency) greater than 500 kc/second;This item will normally include switching type transistors with anaverage f alpha greater than 6 Mc/second.Notes:1. This item is i nt ended to cover all devices incorporating a semiconducting crystal of any materialwith three or more electrical connectionsor with only two such connections where four or more active junctionsexist within a single block of semi-conductor material, which are used asamplifiers, oscillators, trigger devices, etc. , or combinations thereof inelectronic circuits. Fo r photo transistors, see Item 1548.2. Th e maximum collector dissipation is t obe defined as the continuousdissipation measured at an ambient temperature of 25 Centigradeunder any cooling conditions.3. Th e average f alpha is def ined as the f a lp ha a t which the majorproduction of a particular type of transistor occurs.Where th e average f alpha is no t quoted or known, this value shall betaken as 15 times the minimum f alpha.4. f alpha is de fined as the frequency at which the modulus of the

current gain in the common base connection has decreased to 0707 of itslow frequency value.5. Where ft (the frequency at which the modulus of t he cur rent gainin t he common emi tt er connection is equal t o 1) is quoted instead off alpha, ft may be regarded as 1'2 t imes f alpha.1546. Dendritic produced forms of any semi-conductor material, orcombinations thereof, suitable f or u se in diodes or transistors.Note: Th e term 'dendritic' signifies a ribbon-like product o f semiconductor material which may be drawn in various widths, thicknessesand lengths and which may represent processing stages from a relativelyp\lre form of the material through advanced stages of treatment.1548. Photo cells, as follows:(a) Photoelectr ic cell s, photo-conductive cells (including phototransistors and similar cells) with a peak sensitivity at a wave lengthlonger than 12,000 angstroms;(b) Photo-transistors (photo-conductive cells including photo-diodes)with a response t ime constant of 1 millisecond or less measured atthe operating tenlperature of the cell for which the time constantreaches a minimum.I 1549. Photomultiplier tubes of all types for which the maximum sensitivity occurs at wavelengths longer than 7,500 angstroms.

I 1550. Thermal detecting cells, Le. bolometers and thermocoupledetectors, radiant energy types only, with a response t ime constant ofless than 10 milliseconds measured at the operating temperature of thecel l for which the t ime constan t reaches a minimum.1553. Flash-discharge type X-ray tubes.1555. Image converters and electronic storage tubes including memorytransformers of radar p ic tures and ruggedized vidicon-type tubes (excluding commercial standard television broadcasting camera tubes andcommercial standard X-ray amplifier tubes).

I 1558. Valves (tubes) electronic, and specialized parts, as follows:. (a) Valves designed for use at frequencies between 300 meiacyclespe r second and 500megacycles pe r second, having a plate dissipation, in excess of 10 watts under any conditions of cooling and all valves

designed for use at frequencies in excess of 500 megacyclesecond;(b) Indirectly heated valves of a kind that can be passed throcircular hole 7'2 millimetres in diameter;(c) (i) Those designed t o withs tand sinusoidal vibration atacceleration greater than 5 g for a total period in exc100 hours at anyone frequency between 25 and 170 cycleoond'(ii) Those' designed to withs tand swept frequency sinUSvibrations between 60 and 1,000 cycles pe r second wminimum swept frequency ratio of 5 to 1, at a peak a c c ~ l e greater than 4 g for a total period in excess of 200 hours(iii) Those designed to withs tand acceleration of short d u ~(shock) greater than 1,000 g;(d) Valves constructed with ceramic envelopes and designefrequencies in excess of 60 megacycles pe r second;(e) Valves designed for operation in ambient temperatures exce1000 Centigrade;(f) Klystrons;(g) Travelling wave tubes.

1559. Thyratron and nlodulator gas-discharge tubes, as follows(a) Those rated for continuous operation with peak current andvoltage exceeding 100 amperes and 9,000 volts at a pulse repefrequency of 200 or more pulses per second;(b) Hydrogen thyratrons of any rating.Note: A 'thyratron' is defined as any hot cathode gas-filledcontaining three or more electrodes in which anode current finitiated by a control electrode.1560. Electronic components designed for and/or capable of rperformance in relation to their electrical and mechanical characteriand maintaining their design service lifetime while operating:(a) Over the whole range of ambient temperatures extendingbelow -45 0 Centigrade to above +100 Centigrade; or(b) At ambient temperatures of 2000 Centigrade or higher.1561. Mater ials special ly designed and manufactured for uabsorbers of electromagnetic waves having frequencies greater tha108 cycles per second, and less than 3 X 1012 cycles per second1562. Tantalum electrolytic capacitors not elsewhere specififollows:(a) All types designed to operate at temperatures exceedinCentigrade;(b) Sintered electrolytic capacitors;(c) Electrolytic capacitors constructed with foils.1564. Electronic equipment and components, no t elsewhere speas follows:(a) Assemblies and sub-assemblies constituting one or more f u n c circuits with a component density greater than 75 parts perinch and equipment containing such assembly or sub-assemb(b) Modular insulator panels (including wafers) mounting sinmultiple electronic elements and specialized parts therefore

Group IScientific Instruments and Apparatus, Servomechanis

and Photographic Equipment1565. Computers, electronic (except business-type machines, acing machines and statistical calculating machines).1566. Equipment specially designed to produce electronic assem(a) By depositing or print ing on insulating panels (includingand wafers), or otherwise forming in situ, component partthan basic wiring; or(b) By automatically inserting and/or soldering componentssulating panels (including plates and wafers), to \vhich Wspplied by printing or othermeans; or(c) By automatically or semi-automatically assembling, wiringpackaging mounted modular insulated panels (includingand wafers) referred to in (a) and (b) above.1568. Control equipment, as follows:(a) Synchros, as follows:(1) Control types (transmitters, differential transmitterstransformers) ra ted to have an electrical error of 18 nor less when tested by t he proportional voltage method(2) Torque types:(i) Transmitters and differential transmitters rahave an electrical error of 18 minutes or lesstested by t he proportional voltage method;

(Continued on next

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BOARD OF TRADE JOURNALS'FebruarY 1960soviet Bloc and China (Continuetl)

(ii) Receivers and differential receivers r ated to have anaccuracy of 15 degrees or less when tested by th edynamic method;(3) Special instruments rated to have the same characteristicsas synchros in (1) and (2) above, such as Microsyns andSynchro-Te.ls ; . . .(b) Resolvers, includIng slngle-phase/smgle-phase, slngle-phase/twophase, two-phase/two-phase and three-phase/two-phase types asfollows: .(1) With a rated electrIcal error of 05 degrees or less;(2) "':ith a rated perpendicularity error between axes of 10mInutes or less;(3) With a rated null voltage of 10 millivolts or less per maximumvolt output;(c) Amplifiers, electronic or magnetic, designed for use with resolvers,as follows:(1) Isolati

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BOARD OF TRADE JOURNAL84 .

Soviet Bloc and China (Continuetl)stantially in design from normal bearings to provide superioroperating characteristics;(c) Bearing parts as follows:Outer rings, inner r ings , retainer8, bal ls , rol lers and subassemblies useable only f or bea rings cover ed by sub-items1601 (a) and (b).

1631. Magnetic metals in any form possessing one or more of th efollowing characteristics:(a) Grain oriented sheet or strip of a thickness of 02 millimetre(0008 inch) or less;(b) Initial permeability 50,000 or over;(c) Remanence 98 pe r cent. or over of maximum flux for materialshaving .magnetic permeability;(d) A composition capable o f a n energy product greater than six times108 gausses/oersteds, or containing more than 25 pe r cent. cobalt;(e) Core loss of 1 watt per kilogram (045 watt pe r pound) or less atB = 13000 gausses and at 50 cycles pe r second [136 watts pe rkilogram (or 062 watt pe r pound) or less at B = 15000 gaussesand at 50 cycles pe r second] for grain oriented sheet and strip ofa thickness of 031 millimetre (0012 inch) or less.

1635. Alloy steels, as follows:(a) Containing:(1) 10 pe r cent. or more molybdenum (but 5 pe r cent. or moremolybdenum in any alloys containing more than 14 pe rcent. chromium); or(2) 6 per cent. or more cobalt except:(i) Permanent magnetic metals with a cobal t content of25 pe r cent. or less;(ii) High speed tool steels containing up to 10 per cent.cobalt, less than 5 pe r cent. chromium and no nickel;orNote: The Export Licensing Branch will considerli cences for expor ts of small quantities of narrowstrips for watch springs.(3) 15 pe r cent. or more niobium and/or tantalum;(b) Nickel bearing stabilized steels, no t elsewhere specified, havinga to tal of 38 pe r cent. or more of alloying elements except suchs teels containing less than 04 per cent. titanium or niobiumtantalum;

(Note: Fo r the purpose of c a l c ~ l a t i n g the 38 pe r cent.. cut-off,the maximum of th e range speCIfied fo r each element IS to betaken. In the absence of a specified maximum for t itan ium orniobium-tantalum, the figure of 04 p er cent. shall be used toindicate the presence of titanium or 08 pe r cent. for niobiumtantalum. Th e 38 per cent. cut-off must no t be exceeded to takeaccount of manufacturing or other tolerances. Alloying elementsmeans everything other than iron.)(c) Precipitation hardening steel s, conta in ing 4 per cent. or morenickel.

1648. Cobalt, as follows:(a) Raw materials, including White Alloys and Red Alloys;( b) Cobal t metal and cobalt-bearing alloys (other than alloys coveredby I tems 1631 and 1635), containing:(i) 50 pe r cent. or more cobalt; or(ii) 19 per cent. or more cobalt and 14 per cent. or more chromium and less than 1 per cent. carbon; or(iii) 19 pe r cent. or more cobalt and 14 per cent. or more chromium and 3 per cent. or more molybdenum;(Note: T he Export Licensing B ~ a ! l c h wi ll conside rlicences for the expor t of small quantItIes of dental alloysand small quantities of narrow s tr ips for watch springs.)(c) Scrap forms of the metal and alloys covered under (b) above.1649. Niobium (columbium), as follows:(a) Raw materials ;(b) Ferro-niobium an.d ferro-niobium-tantalum;(c) Metal and niobium-based alloys ~ o ~ t a i n i n g 60 pe : cent. ~ 11?-0reniobium or 60 pe r cent. or more nIobIum-tantalum In combInatIon;

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BOARD OF TRADE JOURNAL5 February 1960

soviet Bloc and China (Continued)(f) Diphenyl urethane;( ) Diortho t o l y l - u r e t h ~ e ;(g) 2 _ N i t r o d i p h e n y l ~ 1 1 ? - m e ;(i) p_NitromethylanI1me.1715 Boron, the following:(a) Boron minerals, including bu t not limited to Colemanite, Pander-mite Rasorite and Ulexite, crude and refined;(b) Bordn element (metal), all forms including grains and powder;(c) Boron carbide and boron nitride;(d) Boron. compounds and mixtures, no t elsewhere specified, th efolloWIng:(i) Boric acids and sal ts (sodium, potassium, ammonium,magnesium and calcium) and esters of boric acids, crude orrefined, no t including perborates;(ii) Boric oxide, boron trifluoride and i ts complexes, borontrichloride and i ts complexes and fluoroborates;(iii) Other boron compounds (excluding metal borates, no telsewhere specified, and perborates), and mixtures, containing 10 per cent. or n10re of boron in combined and/orelemental (metallic) form.1721. Diethylene triamine.

I 1731. Hydrazine in concentrations of 70 per cent. or more; hydrazineInitrate; unsymmetrical dimethyl hydrazine.1732. Hydrogen peroxide (50 pe r cent. strength and over).1741. Nitroguanidine.1742. Guanidine nitrate.1743. Molybdenum disulphide of a purity of 86 pe r cent. or more.1744. Pentaerythritol tetranitrate.1748. Picric acid (trinitrophenol).1755. Silicone fluids and greases, as follows:(a) Halogenated silicone fluids;(b) Lubricating greases capable of operating at temperatures of 180 0Centigrade or higher and having a drop point of 2200 Centigradeor higher.

IMPORTANTNOTICE OF ALTERATION

1757. Silicon of a purity of 999 pe r cent. or more.1760. Tantalum compounds.1770. Je t fuel (aircraft turbine engine fuel) as follows:(a) Wide cu t gasoline type;(b) Kerosene type having a freezing point below --60 0 Centigrade;(c) High flash kerosene t ype having a minimum fiashpoint of 6Centigrade;(d) Any liquid fuel, including petroleum, which contains high enercomponents or compounds thereof, having a gross calorific vaof no t less than 13,000 calories/grammes (23,400 British ThermUnits pe r pound).1781. Synthetic lubricating oils and greases (ester t ype) which a recontain:(a) Esters of dibasic saturated aliphatic acids combined with saturaaliphatic monohydric alcohols; where both o f t h e two constituecontain six or more carbon atoms; and/or(b) Esters of dibasic saturated aliphatic acids combined with poglycols, when one or both of the two constituents contain sixmore carbon atoms;(c) All fluoro-alcohol esters.Note: Excepted from parts (a)-(c) above are:Those oils and greases containing by weight either no t less th50 per cent. of neutral castor oil; o r not less than 5 pe r cent. of neutcastor oil and not less than 50 pe r cent. of castor oil and petroleoil together.1789. High octane blending agents for aircraft fuels, as follows:(a) Alkylates (aviation grade);(b) Isopentane;(c) Neohexane.Fuming nitric acid. (See M.L. 8.)Deuterium and compounds. (See A.E. 5.)Tetrafluoroethylene, polymerised or not. (See A.E. 6. )Trifluorochlorethylene, polymerised or not. (See A.E. 7.)Materials for refractories. (See A.E. 13.)Fluorine. (See A.E. 14.)Chlorine trifluoride. (See A.E. 15.)Fluorinated hydrocarbons. (See A.E. 17.)Artificial graphite. (See A.E. 34.)Lithium compounds. (See A.E. 35.)

Group LSynthetic Rubber and Synthetic Film

1801. Synthetic rubber, the following:(a) Alky l polysulphide liquid polymers;Note: The definition is intended to cover polymers which arethemselves liquid. Water dispersions, otherwise called latices,not covered.(b) Fluorinated silicone rubber and other fluorinated elastomematerial and su ch organic intermediates for their product ioncontain 10 pe r cent. or more of combined fluorine.

1920. Synthetic film for dielectric use (condenser tissue) of 00015 in(0'038 millimetre) or less in thickness capable of being u sed f or codensers covered by the definition of Item 1560.

Ou r Ref. No. 1414(Revised 1959)Ou r Ref. No. 5698(Revised 1959)Intermediate Tariff (Form 59) ...

Export Invoices for Goods shipped to NEW ZEALANDThe New Zealand Customs Regulations 1959 have made changes in the PreferentialTariff and Intermediate Tariff Cer t if icates of Origin, for goods arriving in NewZealand on and after 1st April, 1960.The two revised forms ar e as under:British Goods - Preferential Tariff (Form 57)

The Non-Preferential Form (previously Form 2) has not beenrevised but will in future be officially known as Form56 .. . Ou r Ref. No. 1470The above revised forms are now available from stock from:THE CHATSWORTH PRESS Bc PAPER CO. LTO

39 Waterloo Road, London, N.W.2(Te lephone GLAds tone 5473, 7746 an d 0766)

who will be pleased to send a complete up-to-date list of all stock Forms.

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