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THE HONGKONG GOVERNMENT GAZETTE, JUNE 7, 1912.
12.-(1.) The tire of each wheel of a heavy motor car shall be smooth, and shall, where- the tire touches the surface of the road or other base whereon the heavy motor car moves or rests, be flat:
Provided that the edges of the tire may be bevelled or rounded to the extent in the case of each edge of not more than half an inch : Provided also that, if the tire is constructed of separate plates, the plates may be separated by parallel spaces which shall be disposed throughout the outer surface of the tire so that nowhere shall the aggregate extent of the space or spaces in the course of a straight line drawn horizontally across the circum- ference of the wheel exceed one-eighth part of the width of the tire.
(2.) The width of the tire of a heavy motor car shall be not less than eight inches. (3.) This Regulation shall not apply to any tire which is pneumatic or which is made of a soft or elastic material.
13. The diameter of a wheel of a heavy motor car, if the wheel is fitted with a tire? which is not pneumatic or is not made of a soft or elastic material, shall be not less than two feet.
14. No heavy motor car may, when measured between its extreme projecting points, be of a width exceeding seven feet seven inches.
15. Every heavy motor car shall be constructed with suitable and sufficient springs between each axle and the frame of the heavy motor car.
16. The weight of a heavy motor car unladen shall not exceed seven tons.
17. The owner of a heavy motor car shall, for the purpose of satisfying the Captain Superintendent of Police whether the heavy motor car may be licensed, cause the heavy motor car to be driven or brought to any such place or places as the Captain Superintendent of Police may appoint.
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18. Every motor car and every heavy motor car shall carry the number of its licence clearly painted in white figures on a black ground at least four inches in height and not less than half an inch in thickness of line securely fasthed to the rear axle, number facing to the back, or in such other position as the Captain Superintendent of Police may require. Such number shall not be obscured in any way and no other number shall be carried. During the period between sunset and sunrise every motor car except a motor cycle, and every heavy motor car, shall also carry (in addition to the lamps required by Section 5 of the Vehicles Regulation Ordinance, 1899), a lighted lamp attached to the vehicle so constructed and placed as to show a red light to the rear and to throw a white light on the licence number, and every such lamp shall be of such power as the Captain Superintendent of Police may prescribe.
Other Private Venicies.
19. Every private vehicle used for trade for which a licence has been granted, except motor cars and heavy motor cars, shall carry on both sides, legibly painted, the number of its licence 2 inches in height and not less than one quarter of an inch in thickness of line, and no other number. Such number shall not be concealed and shall be of such colour as the Captain Superintendent of Police shall direct.
20. Every licensed private vehicle used for livery, except motor cars and heavy motor cars, shall carry legibly painted on wood the number of its licence, 2 inches in height and not less than one quarter of an inch in thickness of line, securely fastened to the rear or only axle, number facing to the back, and no other number. Such number shall not be concealed and shall be of such colour as the Captain Superintendent of Police shall direct.
21. Every wheel shall be truly circular accurately centred on its axle, and fitted to work thereon without oscillation or side play.
22. Every wheel shall be fifteen inches or more in diameter.
23. The face of the tire of every truck or trolly or hand or other cart used for the carriage of goods shall be three inches or more in width.
24. Every truck, trolly or hand cart shall have a properly constructed brake or skid attached thereto for relieving the load when coming down hill.