1948-05-06 — Page 8

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"THE CHINA MAIL, THURSDAY, MAY 6,-1948.

*-

GE.C.

THE GENERAL ELECTRIC CO. LTD., OF ENGLAND

ELECTRIC FANS

MADE IN ENGLAND

"LECTRIC fans to meet every requirement will be found in this E

comprehensive range of G.E.G. British-made quality units. Table, wall, ceiling and exhaust models in a wide variety of designs are included, available for D.C. or A.C. supplies, all designed and manufactured to the high standard of reliability always associated with G.E.C. products. "

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THE BRITISH GENERAL ELECTRIC CO. LTD. Queen's Building. Chater Road, Hong Kong REPRESENTING THE GENERAL "ELECTRIC CO. LTD., OF ENGLAND

L

QUALITY FITTING,

by

GIBBONS

GILMAN & COMPANY LTD.

-ENGINEERING DEPARTMENT-

Telephone 31146.

ENGINEERING PAGE Potentialities Of The British Gas Turbine Engine

by

which

bus

atomle gas turbine occupying less than but high-powered lorry to

withhi may be just made available for n quarter of her present boiler | engines

and engine room space.

grasp. There are some signs in this direction. "With the advent of the gus There is scarcely any phase, of the industry which will not In turbine," said Mr. Johnson, we time be affected by the neware within sight of a prime mover engine. And as the standard of applicable from high speed air- life depends largely un thecraft to electrical generation and

blast furnaces to cheapness of primary energy the from

So great are the "putentlalities lastrument of the British gas turbine en-energy gine that developments now un-humun use." der way may herald minor

a world industrial revolution.

This

significant forecast Vas made by Mr. George Strauss, British Minister of Supply, on Friday night at a London con-

Fas

ference organized by the Minis- whole population will benefit. For liquefaction."ontol gas turbine

or-

mines steel-

Two try of Supply in association with the gas turbine, it was explained, Power

are already on Jels (Research and Dela going to be the cheapest forin locomotives

wder for British railways. Other velopment) Limited.

power yet known. of industrial Power Jets, a wholly Govern- | Cheapness of operation can be ways in which the engine can ment-owned Company, is fcs- pensule for British gas turbine aged from the fact that a coal- be employed are; milfs, factories,

locomotive pumping plants, min burning gas turbine research and

and the extent of Its should be able to run at an works, warships, waterworks and heavy motor vehicles, of approximately possibly for operating cost

half that of the present sicam Gas turbine motorcars of the 10 Queen to 15 horsepower class arc not engine. Again, the liner Elizabeth could be driven by ayet in sight at a suitable price

achievements was described the first time at this conference. Britain has established a world lead in gas turbine research and 11s scientists are already on, the verge of producing designs for will bridge the units which

to atomic propulsion, Please of

atomic

energy

will be preceded by an age which the gas turbine will play a leading role," said Mr.-W. E. P. Johnson, Executive Director Power Jets.

#

When the gas turbine ts over- taken by the age of atomie en- ergy," he added; "there is very mints little doubt in technical

that the gas turbine will be the

Gunpowder As Machine Fuel

New, important developments

in the use of gunpowder x ma-

chipe fuel, were

demonstrated

recently by Imperial Chemical Industries at their Ardeer works

in

For more t Scotland.

e.than seven centuries since Genghis Khan in

Chinu First used gunpowder in

was generally agreed cannon, it

was an entirely that

Runpowder unsuitable substance for employ- ment in any internal combustion Recent experiments by engine. British scientists have proved that

Gunpowder his is not SD. this is

which produces volumes charge

of gus but does not get very het. The combustion is of a catalytic type and does not produce flame. The gasses from these power car- tridges may be produced in fraction of a second or over a period of several minutes. They -con--be-led-into-the-cylinder of

engine or

the

are

N

A dock built by Britain in Bombay intended for the use of the Royal Navy In Malta, was recently towed there by Admiralty tuge. It was so large (It can accommodate a 50,000 passage through ton ship) that it had to be cut in two for the Suez Canal. This plature shows the first half of the dock being warped through the Ei Firdan Swing bridge while a R.A.F. potter aircraft files over the top. The second half of the dock can be seen approaching in the distance.

New Electronic Developments

Of interest to technicians in in-

201

Its. Greatest Value The greatest value of the gas turbine engine, however, is the helds of freight and passen- ger shipping and the big nation- al and muntcipal undertakings.

One model will be shown at (the the British Industries Fair Dirmingham section) which cle- monstrates the appileation of the

to the Rax turbine

important manufacture of nliric acid with a possible cheapening of fertilisers

a great many other This exhibit was selected tis

example of the AP- typical plicability of this type of chine in process.

and

uses.

{L

mi

is not too visionary. to pre- diet that the production of cheap oxygen, from which a whole re- volution of industry may spring. ap-

will turn largely on the plication of Britain's current gus turbine research and develop- ment. Cheaper steel, cheaper avail- coke, cheaper and more able fertilisers, better transport are all targets, saith Mr. Johnson, which are within range of th gus turbine.

Infra-Red Lamp Development

the

the

A new Muzla infra-red lamp, now being produced by the Bri- tish Thomson-Houston Co., Ltd. is considered to be a major ad- vance in the science of infra-red drying and baking for industrial. purposes. The new inmp, which is rated at 250 W has a parabolle shaped bulb with a satin frosted Crown. The lower half of inside surface of the bulb is si- vered to form an internal reflec the Infri tor which concentrates the Infra- A me- red rays from the lamp. chanically attached (non-cernent) with- enables the lamp stand the severe heating condi- tions in an infra-red oven.. The new lamp is a self-contained unit which enables any form of external reflector to be dispensed with. The contour of the internak reffector is such that the beam has

cap

to

a narrow spread ot-not-more

than 120 and, by suitable spa! ing, it is easy to arrange a

of fittings so that the resultant energy field is evenly spread with- In narrow limits. Lamps can also ther be mounted much closer together The switch can be supplied in since there are no external re-

on to of a turbine or used direct- ly as

as a jet. Slow burning explosives, de- monstrated in Scotland recently, safety used by children can be for driving model aircraft, toy cars and speed boats. The gasses

dustry are a number of new inn- two forms either mounted on flectors to be accommodated and emitted from the cartridges eines which the firm Cinema-standard 19 Inch post office panel this,

higher through jets as in jet propulsion. Television

permits a turn, laboratory degree of concentration lamp Limited, of Lower for inclusion in the

where it small port-

Is London, S. E, 20, are oscilloscope or in a other patientions of slow burning]

desirable. The new

than the them are used for starting agri- tries Fair (London and Birming with any standard type-of-oseft-conthination of lamp and external cultural tractor engines which ham, May 3 to May 14). This loscope. may be obstinate after being ke detector for the detection_of left firm's industrial electronic meta! ferrous and

There

however, numerous

Is

In

explosives.. Cartridges filled with seller at the British Indus-able case, when it can be used considerably lighter

vul on cold"nights. The cartridge

driven rivet driver

can be used tramp metal, both

of non-ferrous, now includes auto-

by divers on the steel plates matic stabilising units. Not only TICATE

ships' bottoms. The diver holds

late does this dispense with the need the rivel-gun against the

plate for skilled operators but it also which may be up to one inch

that the apparatus is thick, and, on pulling the trigger, ensures

knocks the rivet through almost maintained at maximum operat-

Thus the needing sensitivity.

Instantaneously.

docking for repairs is eliminated. The power

for dry aften

The firm's demonstration oscil- loscope has been specially design-

cartridge can also lower under-ed for lecture purposes and In- carriages of aircraft, activate de-

misc.

for-extinguishing-tires-and cludes many novel features in-

üsseas

Concrete Flats

reflector and this makes eminently suitable for portable or banks. in such pin- transportable. ces as garages and repair shops

necessary where it may be bake relatively small ar

areas of maintain paintwork. In order to

to

Its initial efficiency, £1 -refector which is exposed to the atmos- phere must be given constant at- tention to prevent the tarnishing of its polished surface. flector. In the new lamp

is protected by the glass bulb which

TC

Dats on

the

to very little blackening and it maintains its initial degree of effi- ciency almost to the end of lamp: life.

The pre-fabrication of multi-is very easy to keep clean. Owing

to of for repairing users and cluding a 15 inch cathode ray storeyed buildings in concrete has the low temperature subject

In England. A bright range of application is wide, and tube, controls at rear, and side begun

Fat rear: block of 12 counell windows to show trace while it is too early to their full economic significance,

double beam switch, permitting Thames-side in London is several, clearly, have great pro-display of one trace, two traces first to be built of pre-cast.con- or the sum of the two traces erele framed, flats. For the time and-glare-removing filter.

being the new construction is only used for houses not higher of a single line building eight feat high and 18 feet wide; a roofed- The Industrial electronle batch-than three doors. Ing unit counts individuals arti- The London County Counell, in space of 100 feet by 100 feet, cies and makes them*up into however, is already considering or an L-shaped or U-shaped batches of pre-determined quan- Its use for blocks of flats equip-building, with a covered yard in

centre. Extensions lity. Capable of counting at a ped with lifts, and rising to Lon- the speed in excess of 1,000 per don's maximum allowable height readily be added when needed. second the instrument will have for buildings.

TURNER MANufacturing CO., LTD.

WOLVERHAMPTON

STATIONARY AND MARINE

: DIESEL ENGINES

— 15—30 H.P.

DIESEL POWER UNITS

DIESEL IRRIGATION PUMPING SETS

-Stocks Carried,

YU TUNG TAI LTD.

ENGINEERING-DEPT Exclusive Agents,

210, Queen's Building,t

Hong Kong

33145.

can

shows. be de-

Το clothe the skeleton, "materials an instant appeal wherever it is Mass production of pre-fabri- such as bricks, asbestos sheets,

farm buildings also or concrete can be used.Speci required to undertake the high caled farm speed packing of liems such as been arranged by Britain's Minis- men bulldings will be exhibited

nt- Britain's | tablets or pins.

Try of Agriculture. They are due during the summer... to make their first appearance on principal agricultural The channel electronle witch farms in May. Production will Later the scheme may made by Cinema Television be based largely on-the-so-of-veloped to provide further stan Limited comparos two separate salvaged steel from air-raid shel- dard components for row-houses wave forms on any standard ters. The standard components and other farm buildings, which single beam oscilloscope. Two can be used for the 'construction can be cheaply produced in' mass. amplifiers 'are electronically

switched to operate alternatively. In such a manner that two input signals appear to bo displayed simultaneously upon the cathode ray tube screen.

Every care has been taken to between prevent direct coupling the signals under investigation and intermodulation between the beams has been eliminated by channel of one the suppression While the other is in operation. Individual shift and gain controls are provided for each channel.

Three switching frequencies are provided so that any signal fr quency within the range 25 cycles to two megacycles can be clearly. presented.

Enlighten Your Night With

nionile..

UNION METAL WORKS LTD

17 Hayamally Building Tela. 20895, 20308.

"YORK"

REFRIGERATION AND

AIR CONDITIONING EQUIPMENT

THE JARDINE ENGINEERING

CORPORATION LTD.

1.

14-16 PEDDER STREET, HONG KONG,

Telephone 30311.

Farnsworth

ALL WAVE BAND SPREAD RADIOS Į 】

MODEL GT-669-WAZ

Thoroughly engineered to provide lasting satisfaction, this advanced receiver offers the exclusive new Farnsworth Band-O-Lite tuning dial. Taking all the guesswork out of station determination, the Band-O-Lite Dial completely illuminates the respective wave band selected, enabling the operator to arrive at the definite frequency shown at the intersection of the lighted band indicator and the station selectür. Five wave bands including standard, tropical and Cabinet styling has short wave reception. Band spread.

B

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