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Trade With the Soviet Bloc: Lists of Goods Controlledfor Strategic ReasonsBOARD OF TRADE JOURNAL 16 October 19

Group B[I n thi s g roup a specified corrosion-resistant m a t e r i ~ l means. ~ o l y t e t r a - fluoroethylene, polytrifluorochloroethylene, or a matenal contammg:-(i ) 90 pe r cent. or more tantalum, titanium or zirconium, eitherseparatelror combined, or(ii) 50 pe r cent. or more cobal t or molybdenum, either separately 0

combined, or(i ii) 10 pe r cent. or more silicon (as metal alloy).] h 1IBlowers and compressors (turbo, centrifugal and axial-flow types), W 0made o f o r lined with aluminium, nickel or alloy containing 60 per cent. omore nickel. . tCarbon black furnaces, controlled atmosphere type, intenmttencontinuous.Centrifugal counter-current solvent extractors.Centrifuges, with a peripheral speed of 1,000 feet per t : e ~ o ? ~wholly made of or l ined with aluminium, nickel or alloy c o n l . a 1 D m ~ Icent. or more nickel; and centrifugal bowls made of these matena tIeCompressors, not elsewhere specified, of 300 b.h .p . or more,.capadelivering air, gases or vapours at pressures exceeding 450 p.s.l.g.Dielectric driers for bacteriological materials.Electrolytic cells for the production of fluorine. . oxide theEquipment for th e production of hydrogen and deuterIum . ,following:- b theComplete installations capable of producing hydrogeh ~ lytic process at a rate of 30,000 cu. ft . or more per ou ~ 60 cu. ftElectrolytic cells for th e production of hydrogen at a rate

or more pe r hour ; 'uro oxiJe.Equipment for th e production or concentration of dbeutecilor svnthetic),Equipment for the production of lubricants (petroleum ase .th e following :- , 'ng units;Dewaxing units, including centrifugal and s ~ l v e n t d e w ~ f i l t r a t i o n , andFiltration u n i t s ~ including percolation filtratIOn, contacfiltrol fractionation units ; I s and partsFractionating, rectifying, and dephlegmating co unln ,specially designed therefor ; t page)(Continued on neX

Surface grindingmachines, horizontal spindle rectangul .ing table greater than 24 incheswide.' ar recIprocaSurface grinding machines, multi-spindle, rotary tableThread grinding machines. .Honing machines, multi-station.

Jig bor ing machines.Lathes, the following:-:entre lathes exceeding 18 inches centre height and exceedin 18between centres. g f e Combination tube boring and turning lathes.Multi-spindle automatic lathes.Right-angle T la thes . ;"Spinning lathes designed for use with or equipped with spindl d'motor exceeding 10 h.p. e f J V T u r r ~ t lathes of 4 inches ba r capacity and over or swing-over-bed24 Inches or over. 0Machinery for drawing and tempering wire 0015 inch in diametless or tubing 0026 inch in diameter or less. er oMilling and planing machines, th e following:- . !Armour plate planing machines.Mil.lingmachines having a travelling head or heads, capableof rnillinaucraft spars.P l a n ~ n ~ m a c h i n ~ s , p l ~ n o - m i l l i ~ g machines,. c o m b i n a t i o ~ planing a n mIllIngmachInes w tth capaCIty for workpIeces 6 feetWIde or over o20 feet long or over.Thread milling machines, 6 inches thread diameter and over.Presses, hydraulic and mechanical, of an effective operating pressure oover 1,000 tons.Profiling, copying and duplicating machines.Machines specially designed for the working or forming of aircraft sheeaircraft plate or aircraft extrusions.Machine tool parts and accessories, th e following :-Accessories, for attachment to metal working machine tools, d e s i g n e d t o render such machine tools capable of the automatic reproductioQor duplication of a model, template or pattern (other than t a p e rturning attachments).High frequency spindles (over 60 cycles) and assemblies thereofinternal grinding nlachines.Metal cutt ing and workingtools, not incorporating diamonds,operations, th e following :-Deep hole drills o f t he t ype in which a hardened steel or hardcutting piece i s fixed into a tubular shank.

Surface broaching.

Group AApparatus designed for removing surplus stock from workpieces of metalor other materials :-(a) by t he discharge of electric sparks from a shaped electrode, or(b) by applying ultrasonic vibrations, or(c) by electrolytic means in combination with abrasive action.Machines and apparatus specially designed for making or measuring gasturbine blades.l\1:achines, l\1etalworking, no t elsewhere specified, the following :Boring and turning mills, vertical, the following:-Automatic cycle types.Type

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BOARD OF TRADE JOURNAL

BRITISH OVERSEAS AIRWAYS CORPORATION WITH QANTAS, S.A.A. AND TEAL

783

Head Office: 38 Bishopsgate, London, E.C.2

Full information from your local B.O.A.C. ForwardingAgent or B.O.A.C., Air Freight Dept., Airways Terminal,Victoria, S.W.! (VICtoria 2323).

Branches o f TheCharteredBank of India,Australia andChinaunderBritishmanagementdirectedfrom London are establishedin most centres of commercialimportance throughout SouthernandSouth Eastern Asia andthe FarEast. At all these branches a com-plete banking service is available and,in particular, facilities are provided forthe financing of international trade in cooperationwiththe Bank's offices in London,Manchester and Liverpool, its agencies in New York andHamburg and a world-wide rangeof bankingcorrespondents.In London and Singapore the Bank is prepared to ac t asexecutor or trustee. -

Spanningthe East

.8'OA'CTAKH600DJARf Of YOUR f R f ~

fLY YOUR fRI6HTand representatives BY 'OA!'

fAST fROUNT SfBVICS TO ALL SIX CONTINfNTS'

THE CHARTERED BANK OF INDIA, AUSTRALIA AND CHINA(Incorporated by Royal C1ulTter, 1853)

/\"tober 195410 V "

(Continued on next page)

trade with the Soviet Bloc-(Continued)fI drogenation plant designed to operate at pressures of 360 p.s.i.g. ory er (other than equipment specially designed for th e production of~ o n i a or methanol) and parts specially designed therefor.51ent processing units, including phenol, duosol furfural and nit rob:nzene solvent extract ion and propane de-asphalting units ;c o r n p l e t ~ plants incorporating any such equipment for th e productionof lubrIcants.'pment specially designed for the product ion of nitrogen tetroxide orE q ~ 1 e r s i o n to nitric acid of 98 pe r cent. or higher concentration.;"coO,"'Equipment specially designed for the separation of isotypes of uranium.

Furnaces vacuum, designed to operate at pressures lower than 01 mm.~ f mercury 'and at temperatures higher than 1100oe.Gs liquefying equipment, th e following:-Equipment ~ o th e s e p ~ r a t i o n

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784 BOARD OF TRADE JOURNAL 16 October 19SiTrade with the Soviet Bloc-(Continued)

Group DArtificial graphite in the form of blocks or rods from which a cube of2 inches side can be cu t and having a boron content of one part pe r millionor less.Ball or roller bearings, th e fol lowing:-Complete bearings in which anyone or more of th e following parts,viz., inner rings, outer r ings , bal ls or rol le rs a re made of anymaterial other than :-(a) l ow carbon s teel conta in ing no t more than 04 pe r cent. of

carbon and no other e lement s except those present as im purities or in such low quantities as no t to modify the basiccharacteristics o f the steel.(b) high carbon chromium steel type En 31 as specified in BritishStandard for Wrought Steels B.S. 970: 1947 as amended;or equivalent types normally used in t he manufacture of ballor roller bearings.(c) nickel-molybdenum s teel type En 34 as specified in BritishS tandard for Wrought S te el s B.S. 970: 1947 as amended;or equivalent types normally used in t he manufacture of ballor roller bearings.Complete bearings processed by heat treatment for the purpose ofstabilizing them for use at normal operation temperatures over 1500 C.(302 F.).Complete bearings manufactured to tolerances closer than thoseshewn in th e following tables: -

(00005 inch) or a variation pe r shipment f(0,001 inch), (iii) fo r b all sizes 76 mm 0 9-0254 rnrnover a variation per carton of 0-0127 ~ 3 ( O e h e s ) andor a variation pe r shipment of 0'OS08 run; (-0005 inchi(2) needle rollers. . 0'002 inch)'Inner rings and outer rings of steel alloy, sub-assembl' 'or separators capable of bei ng used as parts fo /es anhd retaintnbearings. SUe COlllplettCompressors, blowers and fans of the following description'(a) Turbo-compressors, blowers and f ans capable of 0 eS '-:

mainstream internal ai r flow exceeding a Mach No. ~ ~ . ~ ~ g with a(b) Turbo-compressors, blowers and fans of axial flow type . 'hpression rat io of 2: 1 or more and capable of oper ~ l a ~ o m -mainstream internal air flow exceeding a l\'1ach No. of ~ ' 7 n ~ WIth a(c) Compressors, blowers and fans capable of either (i) an . ' 11pression ratio of 2: 1 or more coupled with a c a p a ~ ~ e r a f cam.124,000 ~ u ft . ~ e minute a t int ake condit.ions, or (ii)l ~ 0compreSSIon ratio of over 3: 1 coupled WIth a capac't f35,300 cu. ft . pe r minute a t intake conditions; I Y 0 over(d) Compressors, blowers.and fans c a p ~ b l e of handling a mass flow ofover 2,500 lbs. pe r mInute and desIgned for operating with' akabove normal atmospheric density. tnt eC r u ~ i b l e s , moulds. and p ~ u r i n g rods ~ o m p o s ~ d of 97 per cent. or moreby weIght of ~ e r y l ~ I u m o?nde, m ~ ~ n e s I u ~ o ~ I d e or zirconium oxide 0'composed of ZIrCOnIum OXIde stabIlIzed WIth lIme or magnesium oxide o

1. INNE'R RING

0005000500050006

544

--- , - --- '7 Over 10 i n.10 in.180 Over 250 mm.50 mm.

BORE S I ZES -Inch type ... Over 0 Over 2 Over 3 Over 5 Overincluding 2 in. including 3 in . including 5 in. including 7 i n. includingl\Ietric type ... Over 0 Over 50 Over 80 Over 120 Overincluding 50 mm. including 80 mm. including 120 mm. including 180 mm. including 2Total bore tolerance (inches) 0002 0003 0003 0004 000Eccentricity ... (inches) 0002 0002 0003 0003 000Parallelism of races (inches) 0002 0002 0003 0003 000WobbIe or parallelism of t rack tofaces ... ... (inches) 0003 0003 0004 0004 000

Complete bearings of steel alloy, as defined in (b) and (c) under thish eading, having an inner ring bore diameter measuring less than10 mm. or more t han 150 mm. or , if th e bearings have no innerrings, an out side d iamete r measuring less than 127 mm., othert han : -(i) separable (magneto type) ball bearings,(ii) double row deep groove radial ball bearings,(iii) single or double row angular contact ball bearings,(iv) ball thrust bearings.Balls and rollers of steel alloy other than :-(1) balls (a) of chromium steel containing not more than 1 pe r cent.of carbon and not more than 1 65 per cent. of chromiumand no other alloying elements except those present asimpurities or in such low quantities as not to modifyth e basic characteristics of the steel,and(b) manufactured to tolerances no closer than (i) fo r b allsizes under 34 mm. (111/32 inches) a variation pe rcarton of 000508 mm. (0,0002 inch) or a variationper shipment of 00127 mm. (0,0005 inch), (ii) forball sizes from 34 mm. (111/32 inches) to 76 mm.(3 inches) a variation per carton of 00127 mm .

with lime and magnesium oxide.Diamond d ie s and t oo ls o f th e following descriptions:(a) Wire drawing dies (mounted or unmounted) ;(b) Tools for dressing and trueing abrasive whee l s ; . t' ns .(c) Boring and turning tools of the kind used in ma.chme dperilldriJIing.(d) Core bit s and drill bits of the kind used for minIng an weDiamond grinding wheels, sticks, hones and laps. h cut andDiamonds, inc luding rough cut table diamonds (other t an

polished gems) and diamond splints, bort and powder.. or airbomtExcavators, power shovels and cranes, specially deSIgned transport. . 1 s (electroniCMachinery of th e kind used for th e manufacture of radIO va vetubes). to the innerMachines of th e kind used for apply ing insulating separatorsconductor of ai r spaced co-axial electrical cables. . f amless metalMetal rolling mills, including mills for the productIOn 0 setubes, and controls therefor. . ewnatic tyredSoil compactors, vibrating type, of th e kinds haVIng pn ,wheels, and a ne t vehicle weight of 30,000 lbs. or over. . ers and s ~ : 'Tractors, wheeled ( includ ing automot ive uni ts of traIl or more,llltrailers) powered with engines capable of developing 100 b.h.pwhich power may be applied to two or more axles. t tote)(Continued on nex

2. OUTER RINGD IAMETEROUTS IDE S I Z E S

Over 0 Over 2 Over 3 Over 5 Over 6 lover 7 Over 10 Over 12 Over l6in.incl. 2 in. incl. 3 in. incl. 5 in. incl . 6 in. incl. 7 in. incl. 10 in. incl. 12 in. incl. 16 in.Over 0 Over 50 Over 80 Over 120 Over 150 Over 180 Over 250 Over 315 Over 400incl. 50 mm. incl. 80 mm. incl. 120mm. incl. 150 mm. incl. 180 mm.;incl . 250 mm. inol. 315 mm. inc]' 400 mm. mm .0002 0003 0003 0004 0005 0005 0005 0006 00070002 0003 0004 0004 0005 0005 0006 0007 00080002 0002 0003 0003 0003 0004 0005 0005 00060003 0004 0005 0005 0006 0006 0007 0008 0009

Inch typeMetric type

Total outside diameter tolerance(inches)Eccentricit.y (inches)Parallelism of races (inches)Wobble or parallelism of trackto faces... (inches)

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Group GAcceleration tubes and focusing tubes of the kinds used in mass spectrometers or mass spectrographs.Balances, the following:-(a) electronic, capable of detecting differences in weight smallerthan 10 micrograms ; and parts specially designed therefor ;(b) of a sensitivity of 01 rnicrogram or better.Cameras , h igh speed cinematograph, capable of recording at rates inexcess of 250 frames pe r second, not elsewhere specified.Cathode ray oscilloscope cameras.Cathode ray oscilloscopes, the following :- -

185i{

(Continued on next page)

JOURNAL

Decade a t t e n ~ a ~ o r ~ giving readings accurate to better. than 5 pe rcent. of the Indicated value expressed in decibels, at frequencies,of 1 megacycle pe r second or above ;Apparatus designed for measuring permittivity or power factor ofdielectrics at frequencies of 1 megacycle pe r s ~ c o n d or above Radio-frequency field strength measuring apparatus ; ' ,Frequency measuring apparatus of kinds h a v i n ~ an accuracy betterthan 001 pe r cent. at frequencies over 30 kilocycles pe r second E l e c t ~ o n i c stabilized power supplies delivering a D.e. output v o l t a g ~whlch : -(i) varies by less than 1 per cent. of any input voltage variationwithin 20 pe r cent. of th e nominal, or(ii) varies by less than 01 pe r cent. of the maximum rated voltagebetween no load and maximum rated lo ad ;Electronic and precision instrwnents designed f or u se at frequenciesexceeding 300 megacycles pe r second.Electronic vacuum tubes or valves of the following descriptions :- '-(a) C ~ t h o d e . - ~ a y tubes with a screen afterglow exceeding one-half secOnd,With writing speeds of more than 3,000 km. pe r second or with twoor more electron guns ;(b) Ho t cathode gas-filled and mercury pool cathode tubes (thyratronsand ignitrons) r at ed for continuous operation with peak currentexceeding 100 amperes and peak voltage exceeding 9,000 volts at apulse repetition frequency of 200 or more pulses a second; and allhydrogen thyratron tubes ;(c) Indirectly heated valves of a kind that can be passed through a circularhole i inch in diameter;(d) Valves d e s i g n ~ d to w i t ~ s t a n d a ~ c e l e r a t i o n s greater than 450 g. ;(e) Valves of a kmd speCially deSIgned f or u se at frequencies of more

than 250 megacycles pe r second ;(f) Valves whose output-input ratio at 300 megacycles pe r second is50 pe r cent. or more of the output- input ratio at 20 megacycles pe r~ e c o n d when measured under the same operating voltages and loadImpedance;(g) Image converters and electronic storage tubes, except televisioncamera tubes other than photo-conductive camera tubes ;(h) Photo-electric cells of the following descriptions :-(1) Photo-electric cellswith a peak sensitivity at a wave length longerthan 12,000 Angstrom units;(2) Photo-conductive cells or photo-transistors with a response timeconstant of 1 milli-second or less measured at th e temperature atwhich the t ime constant is minimum.(i) Photo-multiplier tubes and parts specially designed thereforeInductors, fixed or variable, with a rated accuracy better than 1 pe rcent. at 1 megacycle pe r second or any higher frequency.Radiolocation apparatus (including direction finders, radar and radio

n a v i g a t i ~ n equipment) and infra-red location apparatus, other than radiodirection-findersof a kind used at frequencies not greater than 3 megacyclesper second; parts and accessories specially designed for such apparatus and equipment specially designed for testing or calibrating such apparatus:Radio receivers, panoramic, being receivers which search automaticallypart o f th e radio-frequency spectrum and indicate visibly th e signals received and parts specially designed for such receivers.Radio relay communications equipment and par ts and sub-assembliesspecially designed thereforeRadio spectrum analysers , being apparatus capable of indicating thesingle-frequency components of mult ifrequency oscil la tions ; and partsspecially designed thereforeRadio .transmitters and transmitter amplifiers designed to operate atfrequenCIes of 30 megacycles per second or more (other than commercialbroadcast amplitude modulation, frequency modulation and televisiontransmitters, operating at less than 250 megacycles pe r second and designedfor fixed permanent installation and commercial single speech channelland mobile communication equipment operating at less than 180 megacycles pe r second) and parts and sub-assemblies specially designed thereforeResistors, fixed or variable, with a tated accuracy better than 1 pe rcent. at 1 megacycle pe r second or any higher frequency.

Telegraph apparatus des igned for th e transmission or reception ofmessages at a speed exceeding 200 words per minute or 150 bauds, whichever is th e less; and parts and accessories specially designed therefor.Transistors and parts specially designed therefor.

TRADEFOA-RD

Group F~ p l i f i e r s not elsewhere specified, th e following :-. A m p l i f i ~ r s designed to operate at frequencies in excess of 100 mega-

cycles per second ;Amplifiers, tuned, haTing a bandwidth which exceeds 5 megacyclesper second or 10 pe r cent. of the ~ e a n f r ~ q u e n c y , whichever is l e ~ s .[" Mean frequency" means the arithmetIc mean of the frequenciesat which the power amplification i s one-hal f of it s maximumvalue.((Bandwidth" means th e band of frequencies over which the poweramplification does not drop to less than one-half of it s maximumvalue.]Amplifiers, untuned, having a bandwidth, as def ined above, whichexceeds 5megacycles pe r second ;Amplifiers, direct-current, having a noise level (referred to the inputcircuit) of 10-18 watts or less or a zero drif t in 1 hour correspondingto achange in input power of 10-11 watts or less ;Amplifiers capable of a total power output greater than 500 watts atany frequency or frequencies between 15 kilocycles pe r second and200 kilocycles per second.Apparatus designed to jam o r otherwise interfere with radio reception,

and parts specially designed therefor.~ p p a r a t ~ s for automatically sorting electronic components in respect oftheIr electrIcal characteristics.o A p p a r a ~ s of a k i ~ d used for detecting or locating objects u ~ d e r waterYmagnetIc, acoustIC or ultrasonic methods (other than marine deptht)Uflders of a kind used solely for measuring the depth of water or the dis

~ : e o f s u b m e r g e d objects vertically below the apparatus) and parts speciallytslgned, for such apparatus.~ a p a c l t o r s , fixed or variable, with. rated accuracy better than 1 pe r cent.

I c : e ~ c Y c l e per second or any higher frequency.axIal type cables, the following :-Cables having an attenuation not exceeding 10 decibels pe r 100 ft.and a standing wave ratio of 2 or less, when terminated in theirc ~ r a , ~ t e r i s t i c impedance at 3,000 megacycles, except air-spaced~ I ~ ~ . s e p ~ r a t e d cable other than air-spaced cable with a continuousC eIeal ~ I e l e c t r i c separator ;abies ~ I t h polytetrafluorethylene or polytrifluorochloroethylene di Co e e c t ~ I C ..

ttJmm~ u n I ~ a t l o ~ e q ~ i p l n e n t specially designed fo: use in aircraft or forC o : c a ~ t n g . WIth aIrcraft, and parts specially deSigned therefor.

~ wa unlcatlOn equipment of a kind using infra-red radiation or ultraC r y S ~ e s ~ and parts specially designed therefor.~ Y c l diodes specially designed for use at frequencies of 250 or moret1ectr,es,per second, and parts specially designed therefore Jleak ~ C . u n p u I s e generators of a kind used for providing recurringimpulses

~ e o w ~ r exceeding 10 kilowatts; and pulse-transformers and pulse-n e e t r o ~ U 1 p m e . n t being parts specially designed for such generators.'ed at fr a g n e t I ~ waveguides, resonant structures and radiators of a kind

~ r a t f q U e n c I e s exceeding 600 megacycles per second; and articleswave:Jr specially designed to be connected to or incorporated inBectront es, structures or radiators.~ ~ ~ t h C :nlld l?recision ins truments and apparatus, not elsewhereAp e10 OWIng:-~ a : ~ s designed for measuring impedance, admittance, capacitance,Uetance at a frequency of 100 megacycles pe r second or more ;

f\JOtobet 1954-10""-de with the Soviet Bloe-(continued)

fra Group EFloating docksi,oilers having a capacity to generate 11 Ibs. or more of~ a r i n e stea:,e foot of tubular heating surface pe r hour at pressures of

~ t J 1 1 1 per s9u or over and feed water heaters therefore.;0 Ibs. p . ~ ~ y propelied road vehicles or chassis, in which th e motiveMechaDt be applied to one or more front axles and one or more rear axles,'fJwer tn8Y tractors not elsewhere specified, and possessing any of the~ ,thanharacteristics :-p , l 1 o W 1 ~ \nwn approved load capacity in excess of 1,200 Ibs. and engine(.) IlX1 ity in excess of 3,000 c.c. ;c a p ~ rproofed for operation w h e ~ engine submerged in water ;

~ ~ l suppression including fully screened high tension leads.(c) r such vehicles, the following:-p ~ ~ ~ ~ axles designed for power transmission and parts therefor jPropeller shafts ;sfer boxes and parts thereforeTranotives turbine, general service (line) switching and industrialLocfr a g a ~ g e greater than 4 foot 8 inches or with an individual axle

~ s , ~ t e r t h a n 12 metric tons, and parts specially designed thereforer t ~ e alized traffic control (C.T .C.) systems of railway signallingcontrolled~ impulses and parts specially designed therefor.b1eompasses and gyroscopic ~ q ~ i p m e n t , t h following:- .Gyro-compasses, t rans tnlt tlng magnetic compasses , gyro-magnet iccompasses, and repeaters for any ?f them.;Gyroscopic stabilizers and gyroscopiC steering controls.

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786Trade with the Soviet Bloc-(Continued)

BOARD OF TRADE JOURNAL

(i) incorporating amplifiers with a bandwidth (defined as the bandof frequencies over which the power amplification does not dropto less than one-half of i ts maximum value) greater than 5 megacycles, or(ii) having a time base shorter than 005 microseconds pe r centimetre,or(Hi) incorporating, or designed to use cathode ray t ubes w ith mor ethan one electron gun, or(iv) incorporating three or more cathode ray tubes, or(v) employing accelerating potentials in excess of 5,000 volts,and parts and accessories specially designed therefor.Amplifiers which are accessories or sub-assemblies specially designedfor the cathode ray oscilloscopes specified in (i ) above.Computors, electronic, other than office calculating machines.Cyclotrons, belt-type electrostatic generators (Van de Graaf f machines),synchro-cyclotrons, betatrons, synchrotons, linear accelerators and o there\ectronuclear machines capable of imparting energies greater than1,000,000 electron volts to a nuclear particle or an ion, and magnets speciallydesigned for such electronuclear machines.

Electron microscopes and electron guns and electron objective, projectionand condenser lenses (magnetic or electrostatic) therefor.Electronic fluxgate magnetometers and parts specially designed therefor.Fluorimeters of th e kinds in which ultra-violet light is used as th eexciting source and photomultiplier tubes or photo-cel ls are used as thedetecting or amplifying devices.Ion separators, electro-magnetic, i nc ludi ng mass spec tr og raphs andmass spectrometers.Leak-detecting instruments of th e mass spectrometer type.Magnetic recorders or reproducers (other than those designed for voiceor music) and parts and recording media specially designed therefor.Measuring and count ing apparatus, not elsewhere specified, of thefollowing descriptions :-(a) capable of measuring time intervals of 1 second or less with anerror not exceeding 2 per cent. of the interval measured or an errorof 20 microseconds, whichever i s t he g re at er ;(b) capable of counting a t ove r 50,000 counts pe r second.Micro-flash apparatus capable of giv ing a flash of 1/100,000 second orshorter duration, or with a frequency of 200 flashes or more pe r second.Optical curve generators (grinders, surfacers and polishers) capable ofproducing aspherical curves, and parts specially designed therefor.Piezo-electric quartz crystals and plates, worked or unworked.Positive-ion sources suitable for use in cyclotrons, mass spectrometersand the like.Radiation detection instruments and components, designed or capableof being adapted for the detection or measurement of nuclear radiations,the following :-Ampli fi er s des igned for use in nuclear measurements, includinglinear amplifiers, pre-amplifiers and distributed chain amplifiers;Coincidence units for use with Geiger-Muller or proportional counters;Electroscopes and electrometers, including dosimeters o th er th an(i) student types; (ii) simple metal leaf electroscopes; (iii) dosimeters specially designed for use with medical X-ray equipment;and (iv) electro-static measuring instruments;Equipment, not elsewhere specified, for health monitoring againstradiation hazards, other than photographic film and equipmentcontaining it ;Geiger-Muller counter tubes and proportional counters;Instruments capable of measuring a cur rent of less than one micromicroampere;Ionization chambers;Ionization measuring equipment suitable for t he radiation survey ofterrain and plant sites;Neutron counters containing boron, boron trifluoride, or hydrogen;Electron multiplier units activated by positive ions;Quenching units for Geiger-Muller counters;Resistors of resistance of not less than 1,000 megohms;

Scaling units and rate meters, sui table for use in radiation detection;Scintillation counters incorporating a photomultiplier tube;Scintillation counter phosphors, the fol lowing: s ingle crystals andscintillation phosphors for use in radiation detection instruments,of volume greater than 1 cu. in. (16 cu. cm.);Valves (tubes), electrometer, designed to handle input currents lessthan 1 micro-microampere.Resistors, temperature-sensitive, of a kind used in bolometers or in themeasurement of electric power below 10 milliwatts (other than electriclamps).Spectrographs, spectrometers, monochrometers and associated measuringequipment of th e following descriptions :-(a) Grating types with, or designed for use with, diffraction gratings(originals or replicas, plane or concave) and gratings therefor;(b) Prism types :-(i) capable of a spectrum length of 20 ems. between 9,000 and2,000 Angstrom units, or(ii) designed for use with prisms having refracting face 35 mm. ormore in width;

(c) Infra-red types, having an effective total prism b2 i n c h e ~ ; .. ase letlgth O\'er(d) Recording or controlhng densltometers or other e u'designed for th e quantitative assessment of s p e c t r o ~ a l p ~ e n t SPeciallyexcept :- P le reCOrds ..(i ) instruments limited to the use of replica 1 'exceeding 1 inch in ruled width, and g r a t i ~ ~ grating l\Qt(ii) instruments of the" circle" type incapable o f ~ ' therefor,to less than 5 seconds of arc. treet r n e a s ~Valve voltmeters (other than voltmeters specially design d t

telephone lines) of th e following descriptions:- e Or testing(a) Direct-current voltmeters with full-scale range of 1 mill'(b) Alternating-current voltmeters with full-scale range of l ~ o l t . o r l e s s ;or less. nucrovoltsX-ray and electron diffraction apparatus, th e following._Electron diffraction uni ts and par ts specially designed the Powder cameras of the type having a heating element for tere or.of 5000 C. (9320 F.) or over; mperaturesSingle crystal oscillating and rotating X-ray goniometers of th k'having X-ray film or plate holders; e tndsX-ray diffraction units, incorporating or designed for use w'thtubes, and parts special ly des igned for such uni ts ' 1 suehX-ray tubes having more than one window; ,

Group BCarbonyl iron powder.Ferro-alloys whether briquetted or not , the fol lowing:

Ferro-columbium (niobium);Ferro-columbium (niobium)-tantalum;Ferro-molybdenum ;Ferro-tantalum;Ferro-uranium.Fissionable materials, the following :-plutonium, uranium enrichedi n t he isotope 233 or i n t he isotope 235, and materials artificially enrichedby any of th e foregoing.Magnetic materials in any form having :-(i) initial permeability 20,000 or over, or(ii) remanance 85 pe r cent. of maximum flux or over, or(iii) energy product 106 gausses oersteds or over, or(iv) core loss of 05 watt pe r lb . when B equals 13,000 gaussesand 50 cycles pe r second or less.or when they are in the form of sheet or strip a thicknessof 0003 inch or less,Mercury.Met al s i n th e fo rm o f angles, anodes, bars (including busbars, notchedbars, sheet b ars and wire bars), billets, blocks, blooms, cakes, castingsand forgings, cathodes, channels, c ircles , discs , dus t, flakes, foil, grains,granules, ingots, ingot bars, lumps, pellets, pigs, pipes, plates, powder,pressings and s tampings, r ibbons , rods (including welding electrodes,androds, wire rods and rolled wire), sections, shapes, sheets, shot, slabs, s t l c ~ S ,strip, sponge, tubes (including tube rounds, squares and hollows), wm(drawn or extruded, bare, whether stranded or not, including cables, ropesand spirals), and scrap, old metal and metallic residues, as follows.:-Alloy steels containing by weight one or more of the followmg con-stituents :-

(a) 6 pe r cent. or more of molybdenum;(b) 3 pe r cent. or more of molybdenum and more than 14 percent. of chromium;(c) 6 pe r cent. or more of cobalt; . . , hun'(d) 025 pe r cent. or more of columblum (nIobIUm) or tanta .(e) 35 pe r cent. or more of nickel; :ron'(f ) 35 pe r cent. or more of alloying elements (other than. one of which is nickel. h l I o w i n ~Aluminium alloys containing by weigh t one o r more of t e 0constituents :-

(a) 1 pe r cent. or more of copper;(b) 4 pe r cent. of more of zinc;(c) 35 pe r cent. or more of silicon;(d) 95 pe r cent. or more ofmagnesium. r hed flakAluminium powder, no t elsewhere specified, other than PsOS er cent.BeryIlium and alloys containing by weight I?ore than chines.of beryllium, other than windows for medIcal X-ray maCobalt. . ht 50 per cent.Columbium (niobium) and alloys containing by welg

or mor e of columbium. Ofe of COppt'fCopper and alloys containing by weight 50 per centh ohm stranded or(other than wire, drawn or extruded, b a r e ~ w et ernot, including cables, ropes and spirals). .Germanium. f the folloWIngMagnesium alloys containing by weight one or more 0constituents :-(a) 04 pe r cent. or more of zirconium;(b) 15 pe r cent. or more of thorium; t p81t)(Continued on n

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Butyl synthetic rubber.Pneumatic tyre casings (other than types specially designed for t ractorsand farm implements) of the following descriptions :-(a) specially constructed to be bullet proof or to run when deflated'(b) in the following sizes and ply ratings :- '8 ply rating and over in th e size 900 x 16;10 ply rating and over i n t he 'size 34 x 7;12 ply rat ing and over i n t he sizes 1400 x 20 and 12,00 x 20 '36 ply rating and over i n t he sizes 1600 x 21 and over. '(c) with off-the-road treads in t he following sizes and pl y ratings :-6 ply rat ing and over in the sizes 800 x 16, 650 x 20 and 650 x 198 ply rating and over in th e sizes 900 x 20, 750 x 20 and 700 x 20.'Tyres and inner tubes specially designed for aircraft.Water lubricated bearings with bearing surface made of Buna N compounds. Group LBalloons of 2,425 lbs. or more envelope weight def lated designed for freeflight but not for th e carriage of personnel. 'Raw optical glass in the mass (tinted or untinted), the following : _Blocks, plates (slabs), pressings and moulds (other than rough-mouldedlenses and prisms), with a unit weight of 1 kg. or more .Rough-moulded lenses or prisms with a unit weight of 05 kg. or more.Paperor synthetic film for dielectric use (condenser tissue), the following:Synthetic film 00015 inch or less in thickness;Coated paper 0 0015 inch or less in thickness ;Uncoated paper 00004 inch or less in thickness.Nylon cloth specially designed for th e manufacture of parachutes.

(Continued on next p a g e ~

Barimll nitrate.Bromine trifluoride.Chlorine trifluoride.Compounds of uranium or thorium other than medicinal preparations.Compounds, the following :-Beryllium,Cobalt, other than paint driers, organic artificial colouring matters andpaint pigments.Germanium,Molybdenum, containing by weight more than 35 pe r cent. of molybdenum, other than organic artificial colouring matters containingby weight less than 50 pe r cent. of molybdenum,Tantalum, .Zirconium in which the ratio of hafnium content to zirconiurn contentis ~ e s s than 1 part to 500 par ts by weight.

m ~ e x t e n u m and compounds, mixtures and solutions containing deuterium,;u mg heavy water and heavy paraffin, In which th e ratio of deuterium~ hydrogen atoms exceeds 1 : 500 by number.Fm l t ~ o t o l u e n e s .

luormated hydrocarbons, th e follo,ving:MonochIorotrifluoromethane'DichloJomonofluoromethane:~ l ~ n o c h l o r o d i f l u o r o m e t h a n e ;D:lchlorotrifluoroethane;T l ~ h l o r o t e t r a f l u o r o e t h a n e ;:lchlorodifluoroethane;Dlfiuoroethane'Mon hI .'Fl ,QC orodifluoroethaneUorme. .

~ ~ ~ ~ t a l c o h o ~ and ! e t r ~ h y d r o f u r f u r y l ~ l c o h o l .Eth 1and theIr denvatIves, th e follOWIng :-~ d e n e . g I y c o l (ethanediol-l, 2), propylene glycol (propanediol-1, 2)and ml,xtures consisting mainly of one or both thereof; thiodiglycol

Guanid' m l ~ t u r e s consisting mainly thereof.Hexarn tne nItrate.HVd :thYlenetetramine., raztne hyd .,HYdroge' r ~ z l n e hydrate and hydrazine salts.llrdrnoet' pn p e ~ o x l d e solutions containing by weight 50 pe r cent. or moreLe-I\ . eroxlde.ad a,7lde 1~ l a t l C i ~ l s ' ~ a styphnate and lead thiocyanate.IlJre bv w;' shltable for use in refractories, composed of 97 pe r cent. or

c o r n P o s e ~ g : o beryllium oxide, magnesium oxide or zirconIum oxide,. 0 ZIrCOnIum oxide stabilized with lime or magnesium oxide

787

Group K

JOURNAL

or lime and magnesium oxide.Nickel oxide.Pentaerythritol.Picric acid.Polymethyl-methacrylates in the form of clear sheet or sheeting whetheror not laminated, i inch thick or more. 'Sodium azide.Silicone fluids and rubbers.Stabilizers for explosives, th e following:Ethyl and methyl centralites;Diphenylamine;NN -diphenylurea (unsymmetrical diphenylurea);Methyl-NN-diphenylurea (methyl unsYmffietrical diphenylurea);Ethyl-NN-diphenylurea (ethyl un symmetrical diphenylurea);Ethyl phenyl urethane;Diphenyl urethane;Diortho tolyl-urethane;2-Nitrodiphenylamine.Tetrafluoroethylene, polytetrafiuoroethylene and manufactures whollythereof.

Trifluorochloroethylene, polytrifiuorochloroethylene and.manufactut'eswholly thereof. Group JAdditives for lubricating oils and greases and for diesel fuels.Fuels, the following :- .Gasoline, motor and aviation;Kerosene;Reference fuels, referee fuels and calibrating fuels.High octane blending agents for aircraft fuels, th e fol lowing:(a) Alkylates , aviat ion grade.( b) Cod imer .(c) Cumene (isopropyl benzene).(d) Diisobutylene.(e) Diisopropyl (2, 3-dimethylbutane).(f) Ethyl benzene.(g) Hydrocodimers.(h) Hydropolymers.(i) I sooctanes.(j) Isoheptanes.(k) Isohexanes.(1) Isopentane.(m) Isopropylether.(n) Monomethylaniline.(0) Neohexane.(p) Neopentane.(q) Triptane (2, 2, 3-trimethylbutane).Hydraulic fluids, the following :-Petroleum based, having kinematic viscosity of 46 centistokes or greaterat 210F. and pour point of -30F. or lower and viscosity index of130 or higher ;Synthetic.Lubricating oils and greases, petroleum based and synthetic (ester type).Tetra-ethyl lead, tetra-ethyl lead fluid and mixtures containing morethan 3 C.c. of tetra-ethyl lead pe r gallon. .

TRADEFOARD

Group I

16 ()clObet 1954-th the Soviet Bloc-(Continued)Trade l f l 1.0 er cent. or more of cerium mischmetall.( c r:: and alloys, not elsewhere specified, containing by weight){olyb e n ~ n t o r more of molybdenum.

,20J e ~ d alioys c o n t a ~ n i n g by weight 30 pe r cent. or more of nickelNlekth than foil and nbbon).(0 erT a n t ~ l u r n . and alloys containing by weight 50 pe r cent. or more ofT i t a I U ~ r n

t i t 3 ; r l 1 u m ~ n d alloYs containing by weight 15 pe r cent. or more o fThonumt h ~ r i u r n ~ n d alloys containing uranium.

~ r a n : u n : a w and treated, and residues, slag and tailings thereof, whichM l ~ e ~ S'weight 005 pe r cent. or more of uranium or thorium or any

( t ) l 1 ~ n .Yn thereof, including:-(OlllbmatlOt'te pitchblende and monazi te sand and other ores containingCamo 1 , uranium or thOrium. .lfolybdenum carbides, cemented .or sIntered.d concentrates, the followIng :-O r ~ ~ l i u m (other t h a ~ gem grade be.ryl);Cobalt (includi?g !esIdue and arsenIcal crystals);Columbium (m.obIum); . .Copper (includIng regu lus and matte),Molybdenum;.. .Nickel (includmg prunary resIdues and matte);Tantalum. . .PI t'num clad molybdenum pIpes and tubIng.Sa~ metal and old metal, not elsewhere specified, the following :-

~ c ~ l u m i n i u m .Iron and steel.Silicon of a purity of 999 pe r cent. or more.Tungsten wire and filament, coated or uncoated.

Wire ropes, cord and strand, made o f : -(a) phosphor bronze ; o . .(b) stainless steel contaInIng by weIght. 12 pe r cent. or more ofchromium and up to 20 pe r cent. of nIckel.Woven wire mesh composed of wire containing 95 pe r cent. or more

of nickel and containing 60 or more wires pe r l inear centimetre.Zirconium metal and alloys containing by weight more than 50 pe r cent.zirconium, in which the ratio of hafnium content to zirconium content isless than one part to 500 parts by weight, and manufactures wholly thereof.

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BOARD OF TRADE JOURNAL

Welded or seamless steel casing and tubing conformin \\'fication of the American Petroleum Insti tute for oil gco Ith theproducts. untry tubulaElectric motors not elsewhere specified of 5,000 b hno t 12,500 b.h.p. or more, 1 hour rating; and automatic ~ f ~ e or, tnore b.napparatus for s ta rt ing, s topping, reversing and speed coIni.. ~ t C l l ) l a t kforegoing motors ntro of thTurbines of 2,000 b .h .p . and o v ~ r (other than those incogenerator sets) and wheels and bladIng therefore l'porated inComplete ball or roller bearings, not elsewhere specified In dcarbon chromium steel, type En 31, or of n i c k e l - m o l Y b d e ~ U J na : of hi;En 34, as specified in British Standard for Wrought Steels BS 9 7 ~ 1 ,as amended, or of equivalent steels of those types normally d :,1947manufacture of ball or roller bearings, the following:_ e III tilseparable (magneto type) ball bearings ;double row deep groove radial ball bearings ;single or double row angular contact ball bearings .ball thrust bearings ; ,

other types having an inner-ring bore diameter of 10 mm ormnot more than 1SO mm. or, if the bearing has no inner r i ~ g , an ~ diameter of 127 mm. or more. ~ S Outer rings, inner rings, sub-assemblies, retainers or separators capablof being used only as parts for such ball and rolle r bearings.Mechanically-propelled road vehicles or chassis, not elsewhere specifieor included, in which motive power may be applied to one or more fronaxles and one or more rear axles, other than tractors not elsewhere specifiedand the following parts therefor :-

Front axles designed for power transmission and parts therefor .Propeller shafts ; ,Transfer boxes and parts therefor.Railway well waggons with a car rying capac ity of 80 tons or over,Electronic automatic controlling units,whether or not including associatedregulating units, designed to regulate flow by continuous action as afunctionof one, or more industrial p.rocess vari.ables and ~ a p a b l e of ?peratingregulatIng valve by pneumatic, hydrauhc or electrIcal means m responseto a voltage produced by a measuring uni t in the process stream," Controlling unit" means th e un it comprising those elements whichapply control action to the regulating units in relation to the deviationwhich it determines by comparing (by using an electronic feed-backstabilized amplifier) the desired value with the value of the controlledcondition as indicated by the measuring unit.Continuous measuring pH equipment, whether separate or as componentsof other pH equipment, the following:-Amplifiers which include automatic temperature compensation as afunction of the amplifier and are capable of operating on an input o1 micro-microampere.Electrode assemblies o f the flow or immersion type which include a

resistance thermometer element and a glass electrode of 250 megohmor higher at 25C. , designed for use with the f ~ r e g o i t ; l g amplifiers.Aluminium metal and alloys, not elsewhere specIfied, m crude ~ o r m s (primary and secondary), inc luding ingots, pigs , blooms, s l ~ b s , bIlletsblocks, grains, granules, lumps, notched bars, pellets and WIre bars.Titanium carbide.Toluene.Changes in Export Licensing ControlFOLLOWING th e revision of th e lists of goods subject to s t r a ~ e g l ccontrol if intended for Soviet bloc countries (as distinct from Chin}.ak. rt teen"th e Board of Trade have made consequential changes In exao hicksing control, und.er an export licensing ~ e n d m e n t Or ~ i:noWcomes into operatIon on October 20. A ~ I d ; range of goo Somef re ed f rom con tr ol but a few new strategIC Items are added. do notnon-strategic goods are also f reed from control. The c h ~ g e sapp ly t o China. . '_"The main effect of the Amendment Order IS as followsChina Hong(1) Licences are not now required ( e x c ~ p t f?r e x p o ~ ~ to stuffs, ~ e r t a i n ~Kong, Macao and Tibet) for coffee, certatn animal fee mg term certaingrain products.and edible p r e p a ~ a t i o n s , ba?on and ham, ~ a n u i a c t U t d loils and oleagInous seeds, speCIfied abraslves ~ abraslv otydich1oo-carbon, celestite and strontianite, natural graphIte and s c ~ a P f : n n s of non"styrene, specified ferro-alloys, carbon steel plates, certatn ertain manU"ferrous metals and alloys, sl?ecified ores and c o n c e n t r ~ t e s ~ ~ s and ~ j p efactures of platinum, chemIcal process v e s s e l ~ , certatn. water l u b n ~ "valves, gauges, steel tanks, air conditioniJ?-gmachines, d e ~ ~ plant, c e ted bearings, dynamic balancing machines, freeze r y i ~ t certainheat exchaflgers, heater return bends, water t r e ~ t m e n t 'n' ll1etal e u t t ~working machines, certain co-axial cable m ~ c h i n e s , ce bber and p l J s ~and working tools, specified steel s tr ip t innmg p!ant, ruof rubber, c e working machinery, spinning jets, u n v u l c a n i z e ~ mIxtures rnbustionengint!,tyre inner tubes, certain diesel engines, marine I n ~ e r n a l b ~ e s certain p ~ marine propellers, certain wheeled t r a c t o r ~ , c e r t a l ~ !ur o ~ furnaces (othdelectric cells, dynamometers, electro-statIc p r e c l p t t ~ t d' _ poll)(Contf.nue on

List ITVertical boring and turni ng mills, n o n - a u t o m a ~ i c t ypes, w it h tablediameter of 72 inches or more bu t not more than 96 Inches..Fine boring machines capable of an accuracy of 0005 Inch or better,

production types. . , . . , .Combination horizontal spindle bortng, dnllIng and mtllmg machines.Horizontal spindle bed type automatic milling machines (cycle type) ,with table 20 inches wide and over or 48 i.nches long and ?ver.. .Planing machines, p l a n o - m i l l ~ n g machinesf and combmatIon planmgand milling machines with capaCIty for workpIeces 4 feet or more bu t no t6 feet or more wide or 15 feet or more bu t not 20 feet or more long.Forging hammers, the following :-Gravity hammers having a falling weight of 3 tons or more bu t notmorethan 6 tons;Steam, air or mechanical hammers of rated size 21 tons or more butnot more than 5 tons.Forging machines, the following:- . , .Forging machines capable of operating on bar stock exceedlnst 31 Inchesin diameter (or of equivalent cross-section) ;Roll forging machines.Pumps, other than. vacuum pumps, ~ e l i v e r i n g liquids s e p ~ r a t e l y or inoombination with soltds or gases or solIds and gases and haVIng all partsin contact with the flow made of or lined with metals or alloys containingto pe r cent. or more of chromium or nickel, separately or combined.P ipe valves and cocks having a ll parts in contact with the flow made ofor tined with metals or alloys containing 10 per cent. or more of chromiumor nickel, separately or combined, other than valves of the followingdescriptions :-(a) Check non-return and float valves ;(b) P r e s s ~ e relief valves designed for working pressures of less than458 p.s.i.g. ; .( ~ Valves and cocks s p e c i ~ l l y designed for milking machines or forefectrical household refrigerators or home freezers.Wel

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TRADE JOURNAL

Patents Act, 1949

789

Imports of Lemon Juicefrolll the U.S.A.THE Board of Trade announce in Notice to Importers No . 679that arrangements have been made for the import of a limitedquant ity of lemon juice containing no t more than 65 per cent. byweight of commercial sweetening matter , f rom the United Statesof America to be purchased with dollars made available underSection 550 of the Mutual Security Act (M.S.A.).2. No private imports of l emon juice from the Uni ted States ofAmerica have been made in recent years and it is therefore proposedto issue licences t o t rade rs who impor ted l emon jui ce f rom all othersources during the calendar year 1953.3. Traders who wish to participate in this quota should submit, inthe first instance to the Ministry of Food, Canned Fish, Fruit andVegetable Division, Great Westminster House , Horseferry Road,London, S.W.1, no t later than October 25, 1954, a statement in thefollowing form and certified by an iridependent practising accountant:" Dur ing the calendar year 1953, we impor ted l emon jui ce ,containing not more than 65 pe r cent. by weight of commercialsweetening matter, to the value of .[, c.i.f. These goodswere paid for by us direct to the overseas supplier.

Signed ..Status ..

OFOARD(jdOber 1954in Export Licensing Control-{Continued)()angtIfurnaces), micro-hardness testers , mineral separation plant ,

thItJ f8C\lUflltrain gauging equipment,Warburg apparatus, certain chemicals~ t e r s , s rtain scientific equipment and articles containing silver.Itd drUgs, ee. es are now requi red for th e export to al l destinations othermL l ~ ~ ~ ' s h Commonwealth (excluding Hong Kong), the Irish Republic,t b a t l t h e U r \ ~ d States of America of s teelwire rope and cable, certain nickel_the nttungsten wire, certain co-axial cables, specified pipe and tubing,i t t f l ~ l ~ J i and roller bearings, certain high-frequency spindles, specified'g deep hole drills, certain diesel engines, soil compactors, speci

~ ~ 1 I l parts specified electronic equipment and precision instruments,; d ~ d ~ l e c t r i c ~ l equipment and specified chemicals.;pecifiL' ces are now required for the expor t to all destinations of mercury(3) teen 'f i d h . I "'fi ' dI and alloys, specI. e c em1ca s, certaIn sCIent1 c eqUIpment an~ f i e d munition machInes.

Th Order is the Export of Goods (Control) Order (Amendment. ;) Order 1954 (S.1. No. 1322). Copies a re obtainable price~ ' b y p o s t 1s: 1id., from H.M. Stationery Office, Kingsway, London,W.C.2 and branches.

The text of the schedules to the Amendment Orderwill be publishedin next week's Board of Trade Journal.

TTNDER Section 35 of the Patents Act, 1949, the undermentionedlJpatents were endorsed" Licences of Right" on the date specified.

CONSULAR DECLARATION FORMS

THE CHATSWORTH PRESS LIMITED39 WATERLOO ROAD, CR1CKLEWC)OD, LONDON, N.W.2

Phone: Gladstone 5473, 7746, 0766

Complete list sent on re'luest

We supply from stock th e officially approved forms forArgentine, Braz-iI and Portuguese 7"erritories

Also Certified Invoices available for allBritish Dominions, Colonies, and Ireland

Date "4. On recipt of these statements, traders will be informed by theMinistry of Food of the value of their import allocation and also ofdetails of the special documentation procedure required in connectionwith imports under the M.S.A. arrangements.5. Traders who receive an allocation should apply for an importlicence on Form I.L.B./A and should send it to the Ministry of Foodat the address shown in paragraph 3, together w ith an undertakingthat they will comply with the conditions laid down.6. Licences wil l be valid for imports arriving not later than March31,1955.7. Appl ican ts a re renlinded that any person who knowingly orrecklessly makes any false statement or furnishes any documents orinformation false in a material particular for the purpose of obtainingan import l icence, is l iable to a fine no t exceeding 500 and/or a termof imprisonment no t exceeding six months. In addition, the importlicence \vill be void f rom the date of issue, and any goods importedunder i t will be liable to forfeiture under the Customs Acts.

Defence SpecificationsTHE FOLLOWING Defence Specifications are available from H.M.Stationery Office, Kingsway, London, W.C.2 and branches :-DEF-ll07 Fabrics , cot ton, duck, canvas. Price ls . 6d. (by postls . 7td.)DEF-ll09 Crane, mobile, wheel-mounted, 6-ton, fully slewing.Price ls . (by post ls . l id.)DEF-1109 covers a ll Service Departments requirements for amobile crane capable of l ift ing 6 tons at a rad ius of ten feet. Thecrane is designed to operate on ha rd surfaces in docks or at depots.Its primary Service use would be the handling of supplies storedin the open.

Agricultural implements.Harvesting machines.

Pitmans for harvesting ormowingmachines and the like.Harvesters for root crops, suchas beet .Fuel injection pump assembliesfor internal combust ion engines.Fuel injection pumps.

Sewing machines.

Machines for topping root crops.The production of dialkoxythiophosphoryl chlorides.Cotton picker spindles.

J. L. GIRLING,Cotnptroller-General.

International Harvester Co. ofGreat Britain, Ltd.International Harvester Co. ofGreat Britain, Ltd.International :Harvester Co. ofGreat Britain, Ltd.InternationalButton Hole SewingMachine Co.International Harvester Co. ofGreat Britain, Ltd.International Harvester Co. ofGreat Britain, Ltd.International Harvester Co. ofGreat Britain, Ltd.International Harvester Co. ofGreat Britain, Ltd.International Harvester Co. ofGreat Britain, Ltd.Albright & Wilson, Ltd.International Harvester Co. ofGreat Britain, Ltd.I ~ b r n a t i o n a l Harvester Co.Suuon, A.

tl,\jI) ISimon, A. .. . ..I n t e ~ n a t i o n a l Harvester Co.Albrtght & \Vilson, Ltd.

i'nt Patent Office.

Chassis frames of motor vehicles.CruAhers for pasty materials,particularly chocolate crushingmachines.Rol ls for crushers, particularlychocolate crushing machines.Milking machine units.I The stabilization of aqueous

Isuspensions of satin white.International Harvester Co. Agricultural implements.International Harvester Co. Vacuum milking systems.~ - - - - - - - - - - - - - - - - - - - -Any person hI' .J,anYof th W 0 C alms that the patentee at the tIme of endorsement~ t above patents was precluded by a contract in which the

~ I for18 tnterest.ed from granting licences under the Patents may'thin tw cancellatIon of the endorsement on Patents Form N o 45omonths after t he dat e of endorsement.

~ } , 8 0 5

NAME SUBJECT-MATTERSeptember 29, 1954

~ 2 5 J ) ) 5 I Albright &Wilson, Ltd. ... The depositing of protectivecoatings or films on metal surfaces.Harvesting machines.