1929-08-03 — Page 13

THE HONGKONG TELEGRAPH. MOTORING SUPPLEMENT. SATURDAY, AUGUST 3. 1929.

ONE OF JAPAN'S GOOD HIGHWAYS

CAR REGISTER.

CHROME PLATING.

BENKAAL

· MEDIAS ZHORA

This splendid rood, food with augusttreat cedars, rads to the Jenlleu temples a! Nikka, Injuch, a traded per art not far from Tokyo, whitch na lech noted for 15- 1ntre les as well as for the wwwtuary, shrines since the clàrth century. Many people make re- tigkuns pilgrimdegen to Ho DOMAIN

year traveling by foot. Burbota nad un bienvassing yunder, of motor

every

rara,

FOR SPEED AND RELIABILITY

We have in stock

THE FAMOUS 174 c.c. SUPERSPORT Holdor of 14 World's Records including the 24 hours average spend of 52 milos por hour. THE 350c.c. SUPERSPORT

Last victorias.

TOUR DE FRANCE (4453"Km)

1st

FRENCH BOL D'OR

World's Road Record of 24 Hours Record Beaton of 138 Km-

1st

ALGERIA GRAND PRIX

1st

เ

GRAND PRIX FRANCE (Montlhery Track)

Won two yours in succession 1927, 1928, average speed 150 Km.

Easy Payment Plan..

THE FRENCH MOTOR CYCLE Co.`

46, Nathan Road, KOWLOON.

Number of Vehicles Method of Application.

in U.S.

CHEVROLET LEADS.

According to motor car registra tion figures for 1928, compiled by the Automotive Daily News, there were at the end of that year in use in the United States a total of 3,134,272 cars of 38 American makes and miscellaneous.

SOME WEAK POINTS.

to

So much publletty, has been given the virtues of the chromium plating of parts of automobiles, and so well has it been accepted by the public, that over-enthusiastic salesmen have been apt to claim for it qualities it does not possess. A ahort roview of the method of The Chevrolet ensily led the list depositing, and the strong points with 767,760 cars, followed as a of chrome plate as well as the close second by the Ford with weak must, therefore claim the 481,340. The other makes of cara interest of every owner or prospec-| of which there were over 100,000tive owner of a modern car. The registered, were as follows:--

Buick

Whippet

Pontine

Dodge

Essex

Chrysler Nash

195,690

190,331

183,380

148,542

177,176 142,635 114,980 Taken by States the Chevrolet led in all about one--Florida-- where there were 10,075 registered as compared with 9,274 Chevrolets. The figures show the largest num- bor of cars in the following nine

states:

New York Pennsylvania

Ohio

Michigan

California

Jinois Texas

Mashchusetts

292,263 219.106

216,017 202,127 194,518 186,143 164,388 111,008

New Jersey ....... 110,883 The three atates with the lowest motor car registration were:

Nevada

2.771 Delaware

7,073 Wyoming

7,532

Out of the total of 3,134,272 cars registered 12,203 were classified an miscellaneoits. Most of these. were in use in the five states of New York, California, Michigan, Pennsylvania, and Massachusetts Classified as of the four cylinder class and the six cylinder class the outstanding figures were:

Four Cylinder.

Chevrolet

767,760 481,340 190,331

Ford'.

Whippet

Six Cylinder.

Buick Pontine Ensex

Dodge

195,690 183,840 177,175 148,542

Chrysler

142,636

Nash

114,980

Suiting the Tyre

to the Service-

Choose your tyre equipment according to your particular service needs. There is a suitable commerical vehicle tyre for every requirement in the

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DUNLOP

-the tyres that carry commerce

qualities possessed by chromium which have led to its adoption as a protective covering are, first, its non-tarnishing property; and, se condly, · resistance to wear. To have bright work on the car which does not require continual atten-i which many motorists have wished. tion and cleaning is an ideal for Unfortunately the provision of this one might expect. In electro-plating covering is not the simple process the process used is to immerse the article to be covered in a solution of a suitable maturo containing the mictal to be deposited. A slab of tinis metal, called an anode, is also hung in the solution and connected to ane pole of a source of electric- ity. The article, to bo pluted ' is connected to the other pole, and so a current of electricity passes through the solution, on the work, AL the same time metal is dissolved from the anode, and replaces the metal taken from the solution. Thus a balance is maintained under ordinary conditions. This process is used in the deposition "v[_all ordinary metals with the exception if platinum and chromium.

A Difficult Process,

+

BRITAIN'S THREE BEST!

B. S. A.

NORTON

EXCELSIOR

There is a model in our stock to suit your requirement- be it for business, pleasures or sports, and a price within the reach of your means. Hire-purchase system. can be arranged, and our repairing service is always at your command,

!!

Kindly Apply for Particulars

THE SINCERE CO., LTD.

SOLE AGENTS.

With chromium, difficulties are anodes. Metallic chromium is dif first experienced in obtaining |ficult to obtain and very costly, and even when used goes into solution much more quicky than it can be deposited, Chus upselling the rosion is determined by the base obviously is an expensive process, cover the brass directly with a balance and preventing tho obtain-metal. Thus coatings of chromium and in mass production has light chrome plate, or if of deep ing of a uniform coating on the are invariably porous, and thick not been entirely satisfactory. section, on a first coat of nickel. work. The solution so far found to | onts, it has been found, tend to Chromium is very modern in one This gives perhaps the most entis- be most satisfactory is one consist- davelop hair-like cracks, which be- respect, in that it likes to lift the factory result so far obtained, and, ing of chromic acid and sulphate, come bigger as the thickness of de- high spots only, and careful ex- if the job has left the factory which gives off fumes and also at posit is increased. For these ren- [amination of parts which have deep reasonably well covered, will give 1acks Iron readily, nécessitating sons, steel parts have usually been recesses will reveal to the interest satisfactory service. As motor car- vetilating the vat, and also lining | treated by first giving the steel a led observer that at the bottom of radiators and windscreen parts are the vat with glass. Heating of the good covering of nickel on copper the recess the nickel coating has invariably made of brass, it will be solution is also necessary to obtain | in the usual way, and Aben a light not been covered by a chrome plate seen that chromium plating of uniform results., Quantities of chrome plate on top, finishing. as at all. The tendency now is to use these parts encounters least dim- hydrogen are evolved, and it is im-usaal with a polishing wheel. "This brass parts wherever possible, and culties,

portant to get this away. The high cost of chromium anodes has led tó the abnost universal use of iron or lead anodes, although In Germany one firm has been successful in the use of powdered chromium, which can be obtained fairly easily. Very high values of current density are required; and even a small bath capable of plating, say, an ordinary headlamp requires energy equival- ent to over one horsepower.

The solution is most unpleasant. to handle, and has an irritating effect on the skin of the operator If he is not careful to avoid continual contact with it. Sum. cient having been said of the difliculties of manipulation what then are the weaknesses chromium as a deposit?

Not a Itust Preventative.

F

of

Most important, probably, is the fact that it la not a rust preventa. tive. While a thick coating may for a time resist the inroads of moisture, the resistance to cor-

A Revelation in Transport

THE THORNYCROFT

SIX-WHEELER

THE VEHICLE WHICH CONQUERED THE DESERT FROM BEIRUT TO BAGDAD

BUT-

MADE IN

ENGLAND

DUNLOP RUBBER Co. (China), Ltd.

Pedder Building.

Tel. C. 4554.

FOR ALL CLASSES OF

MOTOR INSURANCE

WRITE FOR OUR PROSPECTUS

China Underwriters, Ltd.

HEAD OFFICE Hongkong Bank Building, ta Des Vosur Road Central, Tel. 0, 1121-22,

THE GREATEST PROBLEM IN THE DEVELOPMENT OF BACK AREAS IS TRANSPORT

THORNYCROFT

VEHICLES ARE CONQUERING TRANSPORT PROBLEMS

IN EVERY PART OF THE WORLD TO-DAY.

Particulars of our Lorries, Vans, etc, for 14 to 7 tons, and Coaches or Omnibuses for 20 to 45 passengers forwarded on request to :—

JOHN I. THORNYCROFT & CO., LIMITED.

UNION BUILDING

•

HONGKONG

FIFTH............... FLOOR.

Write us and our representative will call.

Telephone Central 4881.

DEAL DIRECT.