VEELINK
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which has revolutionized American industries
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D. ESSES,
4A, Des Voeux Road. Central, 2001 Floor, Room 1. Tel. 20990.
Wire Recording
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inventory.taking
Any Type of Sound May he Recorded.....dictation, desk
conferences, or teteplune conversations. larger
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news reporting .... medieal, spital and legal recordings, court cases two-way plane-tower or ship-share interchanges .... voice, mugle. id all sorts of training and educational courses lertures, reports and radio broadcasts.
For Full Information and Free Demonstration write or call
REISS, BRADLEY & CO. LTD.
National City Bank of New York Building.
2. Queen's Road. Ceutral,
Tel: 28006/7
NATIONAL GAS & OIL ENGINE COMPANY, LTD.
Sole Åpentr
THE JARDINE ENGINEERING
CORPORATION LTD.
14-16 PEDDER STREET, HONG KONG.
TELEPHONE 90311
DON'T MISS YOUR GOOD CHANCE! - ...
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司公蟻白減身雲高
"Royal Train Calling
During the Royal tour of South Africa and Rhodesia tho three trains comprising the en tourage were in constant touchi with each other, and the out- side world, through radio equipment manufactured in Bri- tain. The manufacturers simed at providing uninterrupted two- way communication between the three traina and the outside world.
The three trains made up a convoy of a Pilot Train, a Bag-
the Kage Train, and
Royal Train Itself, which was bullt in Britain specially for the Royal tour. Besiden linking the trains with each other through radio, te ecommunication equipment was also installed in the Royal train ao that the Royal family enuld receive the news of the work! at any time of the day or night. To do that the manu- neturers made and supplied Home of the finest mobile radio and communication equipment yet produced.
Pilot Train
a port-
THE CHINA MAIL, THURSDAY, AUGUST 14, 1947.
ENGINEERING: Continued from Page Eight
A picture of the atom-blasted bank in Hiroshimg in which, as the article on Page 9 rolates, the American-built vaults withstood the tremendous heat and prossura and kept their con-
tenta safe and infact,
FINDING OUT "WHY"
late concrete evidence, and then
the
more
widely
to
repit off.
being.
NOTED BRITISH CHEMISTS
[ Page 0
Quality Cutlery Canteens
The Rollance Trading Co. Ltd. has recently Imported Into Hong Kong stock of first-quality cutlery, canteens. Selfridge's of and London sold these canteens, their approval should be sufficient for even the most discriminating housewife. The cutlery was made
One of the sections of the exhibition how running in London in Sheffield, England, "The Home and devoted to the achievements of the Best Cutlery," and is of of British chemists deals with the best quality EPNS. Collaid Selence And Surface
Chemistry. This calls to mind the
The act contains 6 meat knives
fact that the first President of and forks, 0 mediam knives and 0 dessert Britain's Chemical Society, or forks, 6 noun spoons, ganisers of the exhibition, was spoons and lea spoons, na well Thomas Graham who has often as a Kot of carvers with a steel-
AN
been described "the father of sharpener, colloid chemistry." although a The canteen case is of heavy
contribu number of important sions had been made by cariler to provide an ornament to the polished wood, attractively shaped
workers.
Of these probably the most room, as well as performing its outstanding is Brown, whose dent designed so that the complete utilitarian duty. The interior is
covery of the ceaseless movement
the lid in lifted, doing away with
of colloidal particles observed in range of tools is displayed when the microscope was termed the fambling and permitting cy Brownian movement; Way, counting.
discovered base-exchange in solis; and, of course, Michael Faraday. who was responsale for the stud
The reasonable price of this canteen of cutlery puts it within
of the preparation and optical the reach of everyone planning a properties of gold sols. Examples new home--and also those who of Faraday's gold flims, sols and wish to replace an old set with gels are to be seen at the exhibl-something different and
Elon.
Among the more recent nåvan-
tively modern..
BL
distinc
David
Needs!
The Plot Train was equipped with (a) VF transmitters and receivers for communication be
the
Royal Pilot and tween
res in colloid science mention The Reliance Trading Co., who should be made of the work of are solo agents for this Selfridge's Trains, and between the Pilot
Taylor on the viscosity of emul- canteen, are located Train and signal boxes en route
alons and the break-up of drops House (Tel. 26240). (b) A k.w, transmitter
In definable fields of flow, as well operating from a diesel engine
as that of Jeffries on the viscosity which could be waed while run-
of systems containing asymmetric ning with a transmitter aerial on the roof of the train, and
contained in a device very similar particles. Research workers must be of an
Again, in the Increasingly Im for that used when the train was stationary enquiring turn of mind. Whatever |
providing
portant field of polymers the it could be connected
This article discusses chickens with a water supply. As pioneer X-Ray studies of Actbury may be the research engaged on
to reveal the ahte ueriut slung between two they are always trying to find on the workings of the Mo- the oil in the sump is used it is have done much portable masts carried on the answer to the question "why?" tor Industry Research replaced automatically by this structure of protein fibres, and to train. This equipment was
simple Inverted container against throw light on contraction pheno- also used for despatching Press/They look at hard facts, accumit. Association, which only which there is a graduated scale, mens in wool and muscle proteins. Other noted British research messages to the world, through search for the reasons behind the came into being in Bri- that the fraction of pint of oll the South African network. A facts and the evidence. In some tain a little over a year consumed In a given time in easily workers include Melville, promin ent for his work on the kinoties common receiving aerial, locat-respects it may be said that they
Akin to the oil consumption P
of polymerisation ed five coaches away from the are the criminal investigation de. ago, and also touches on
Why has made
contrl- th the resturch engineering some of the many pro-problem transmitter, and equipped with portment of
substantial lice, butions to
the thermodynamics of a special splitter unit incor- world
blems it is investigating, carried out en piston rings and rubber solutions; and Scott Blair It should be pornting 'rejector and filter cir-
their position in the piston. As who has carried out immensely these naturally have a bearing on valuable exploratory studies in custe, enabled number of re known that the motor industry ceivers to work on one aerial has its own research association, be measured, and thus affords an blow-by and cylinder wear. If on
oll consumption ng well as on gas the complex field of thoology, with the least possible mutual which is supported financially by indiention of the hardness, interference. Double channel the S.M.M.T. and by the Depart
It is well known that certain extension of the period before,
overhaul becomes necessary can broadcast service was given by ment of Scientific and Industrial
manufacturers, not only in the
already boon drawn. Ono would eight wave-band receivers, and Research. Actually when M.I.R.A. automobile industry, have very be obtained, together with n
expect the effect of speed to be oil consumption, a microphone was installed for an It is known for short, was successfully developed the use of duction in
quite marked, and so indeed it would, of course, do much making announcements over the horn a year ago it had the pro-cast iron crankshafts. One can.
car, but the effect produced may loudspeakers instaled in each verblal silver spoon in its mouth not, however, just replace a otect the pocket
rise to a maximum at, say, 25 compartment in the train. Each to the extent of the 250,000 forged steel shaft by one of cast
m.p.h, and may then decrease os Valve Trouble
the rond speed at which the Inadapenker was fitted with a laboratory which had been built iron, because the dimensions must
awitch up over a number of stars by the be different.
Mony Accordingly čist
will
istaken Increase remember that obstruction two-way change-over
there was Automobile Research Committee iron crankshafts are being very during the war
an There is thus, sound scientific and volume control.
Additional receivers were in-jof the L.A.E. In that Iaboratory thoroughly tested in various ways epidemic of valve trouble from proof of what many experienced cluded for reception under diff-on the Great West Road a great Some are being subjected to bend, the use of leaded fuels contain. drivers have maintained in the cult conditions, and to serve as deal of most Interesting work hos a stand-by for the communica-been carried on during the first fracture. There is a certain ale lead-high, that is, by comparison fort may be obtained over a bud receiver. The receivers vear of M.JR.A.'s existence under ment of danger in this as at the with the pre-war standard of stretch of road by driving over it themselves were shaped to the the Director of Research, Mr. A. noment of fracture pieces are ended fuel. Research is, there rather faster than one would ex-
and Fogg, and it is no exaggeration to liable to fly in all
the pect to be 'the comfortable speed. requirements of a train,
directions fore, being carried out on were fitted with shock-absorbing say that this work will have its Sheking is, therefore, plaend all effect of leaded fuels on exhaust Also, greater stresses may be im- mountings at the top and bot-effect in improving our cars in the round the specimen in the test valves, and for this purpose single-posed on the chassis frame by bumps. In more distant ranchine to safeguard the researen cylinder, water cooled engines are fierce braking than 4!1, tom. In
over GO loud- inmediate and
At the same time, de-workers.
used, actually developed from the road surface, Another point apeakers were included in the future.
velopment work is not the pro-l' The manner · In which the cycle engines, which have cylinder is that the effect of, say, à 1in equipment in the Pilot Trin.
deep pot-hole is approximately the same as that of a lin bump. Tyre pressures have 2 pronounced effect and the harder the tyres the greater the stresses developed, which is as one would expect from ordinary driving experience.
tion
(d) A complete aute matic telephone exchange was provid- ed, built in Britain by a Bri- tish manufacturer.
Royal Train
In the Royal Train itself, the equipment was much the same us in the Pilot Train. A VHF recelver and transmitter con- nected the Pilot Train to work vince
owner.
་
of the
TC-
it to
com.
"TWO-WAY TALKIE"
ing stresses unt: they actually ing rather a high concentration of past, that is, that greater by Dictograph
By A.G. Douglas Clease,
B.Sc.,
A.M.I.Mech.E.
The cathode-ray indicator is n useful piece of apparatus for the bo research worker, for it can used in many ingenious
wnya.
←
!
Įtemplate with
2 burement)
Provides immediate two-way con versation between { doctor) and, nurse. Saves time, steps and en ergy. And you install it yourself la five minutes! Guaranteed for one `year.. Also. 4 »WAY SWITCH_for
four-point, communication.
Sole Distributors
E. OTT & CO., LTD.
French Bank Bldg.
of M.I.R.A. but of the rtresses are distributed in the cast, heada in which provision is made with the algnal boxes, etc., alang manufacturers, who naturally iron shaft is also investigated and for the insertion of thermocouples. : the route; a dual channel broad-carry out a certain amount of the first approach is to paint By this means the temperature nt caat distribution system was research work individually in con. various portions with a special various points of the cylinder, Installed, as in the Pilot Train, nection with the development of lacquer which, wh the shaft is head, especially around the valves all receivern operating from one a particular product. M.1.A. 1s under test, cracks at the localities and in the valve guides, can be THE ENVY OF EVERY HOUSE-PROUD WIFE nerial through, a specially de- concerned more with undament. of maximum stress. Other speci.nieasured. signed splitter unit; and anals, and the results of its research mens are being subjected to re. The problem of measuring the automatic telephone exchange. are available for the industry as versals of stress, a shaft being temperature of the exhaust valve Connected with all carriages whole. MIRA.'s laboratory is clamped to a very rigid base and telf by means of a thermocoup The King's study was itted a fascinating place in which to its free end being subjected to introducen so many difficulties that with a cight wave-band receiver spend a day, not least because of rapid stress reversals by an a visual method is adopted. There watts the enthusiam of Mr. Fogg and eccentric driven by an electric is in the cylinder head a small giving approximately 2
motor. Cast Iron crankshafts hole normally kept closed by n output. It was an A.C. driven his assistants for their work. model fed by a rotary conver
+
:
I
At present there are some part. can, of course, be produced much screwed plug and so placed that ter insta lect in on adjacent cularly interesting items in the more cheaply than forged steel when the plug is removed the position and operated from a research programme being carried shafts, but their use is at present exhaust valve can be seen through separate aerial. In addition to out. Why, for example, do genrestricted to one or two-manu- the hole. Accordingly, when it is this purely radio equipment, wheels develop pliting on their facturers who have inade a special desired to know what the tem
possibly break their study of them. The present reperature of the axhaust valve may there were also, In the Royaleeth, or
Obviously if the pitting search should make sufficient be the plug is removed and the Train, six radiogramopboacs teeth?
of the exhaust valve is and electrical record producers. continues beyond a certain point knowledge of their behaviour colour
Although VHF radio tele-e teeth will ultimately fracture.available for more widespread seen through the hole, the opera. for looking through a considerable phony equipment has been wide-because they will be so weakened use,
for by the pitting, but teeth some Oil Consumption length of tube. According to the ly used in Great Britain
Oil consumption may seem a colour of the valve the tempera. police patrol cars and N.F.S. times break more or less at the services, this is the first time root without any pitting having simple enough matter to measure. ture is cstimated and it is sur
Do we not all have some idea prising that an accuracy of + or It has been used extensively in developed.
Obviously. to And put the of the oil consumption of our 5 deg C is possible by this a British-made train.
"why" in such cases entails the cara? But to determine oli con- simple method, Public Address System amassing of a great deal of sumption really accurately and to Stresses in frames are
Four units of a Public Ad-evidence which
ruust then find out the factors that affect it under investigation by dress system preceded the Royal |mitted. One must know.
foare totally different matters. Two ingenious method. What are Train, anabing the King to example, that the teeth are truly engines are at present, running on known as wire wound electrical speak at wayside stops. These of the required shape, and they a series of all consumption tests "esiatanco strain gauges are carried amplifiers delivering are accordingly. measured on and two different methods of cemented to various parts of the 200 watts and serving at least ingenious machines which allow measurement are being used. frame where it is desired' to know 16 outdoor speakers. The the variation from the theoretical. Ip one, the all is drawn from what stresses are set up. As the equipment was all portable, can- ly true form to be measured in the jump by a scavenge pump and "lectrical resistance of the wire talled all necessary. inter-com- fractions of a thousandth of appäsied into a tank which cests on varies, a current passing through municating and non-inter-inch. Gear wheels are then run scafes, so that the weight of the the wire also varies and the very changeable icads, adequate under load, the load, of course.oll in the tank can be ascertained small changes produced in the sparco, and could be used on being accurately measured, and at at any moment. The tempora. electrical quantities involved are any reasonable supply from 50 the same lime the lubrication ar-turk of the oll-both leaving the amplided and shown on a cathode. volts D.C. to 200 volta A.C., na corded to them is most carefully engine and entering men. my screen. The screcu can also well as the usual 110 volts A.C. controlled or to quantity and mured, there being an oil cooler photographed by a cinemato. avaliable in some parts of South | terperature,
In the circuit. so that the tomgraph camera, so that a permanent Africa.
perature of the oll entering can record is available which
ご
THOMAS COWAN & CO. (CHINA) transmiting and
WHITE ANT EXTERMINATORS:
Phone 30722 for INSPECTION-ESTIMATIS-FREE
Sattataction guaranteed or Money refunded.
Steel
wood.
also
a very
can
It in Interesting that the The harddess of the steel of he kept constant, The pawn be closely atlidied. The vehicle receiving which the rears are constructed developed by the engine under a driven over n known obstruc equipment on the three trains also investigated, and is measured test is alep-mensired beca o tion such as a 1in thick plank of was supplied by the Genoral by sopiving a diamded tool to a conmunation varies greatly ; ne- Electric Co. Ltd. who are re-footh of the gear under a given cording to the land, presented in Hong Kong by thoad," This taults in a amall In-] › Jn the other avstem for men, British General Electric Co., dentation; which is manify maring all consumption there Queen's Building, Hong Kong.|many times so that its area can added to the sump an oli supply
This compact canteen of cutleries within the reach of every pocket.
BEST À.1. QUALITY E.P.N.S.
Madon Stieffield, England,
the Home of the Best Untfery.
6. Meat Knives & Forks, G Medium Knives & Forks, 6. Soup Spoons, & Dessert Spoons & 6 tea Spoons, and
a net of Caryera with Steel Sharpener,
Packed neatly in a
a solid and handsome cose. Very reasonably priced,
Bole, Agenta: RELIANCE TRADING CO., LTD.
< Conclusions From this research some very David House.
have Interesting conclusions (Continued at fool of 'next« Cal.)
Tel. 28:40)