'The story of the tyre' A new edition of the
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Goodyear booklet The Story of the Tyre is now in print.
The booklet tells the story of how rubber vulcanization was discovered by Charles Goodyear in 1839, and how tyres have From July 1 1970 all new semi-trailers must be fitted with approval-marked triangular reflectors in order to comply with the Road Vehicles Lighting (Amendment) Regulations 1968 (S 1.1969 /1247). And from July 1972 all semi-trailers irrespective of age will have to comply with the Regulations.
This means that the existing rear reflector arrangements will no longer be acceptable after the latter date and that rear lamps with built-in reflectors will then become obsolete on semi changed in principle and design over the years. Also shown in text and photographs, is the process of tyre manufacture, and a brief look into the future of tyre development.
The booklet is available in limited quantities and can be ob-, tamed from the public relations division, Goodyear Tyre and Rubber Co. (GB) Ltd., Bushbury, Wolverhampton.
trailers. It is expected that drawbar trailers will have to carry a similar reflector to that specified for semi-trailers, but in this case surrounded by a white border with a minimum width of 0.5in.
I recently visited the Epping works of Rubbolite—the manufacturers of commercial vehicle marker lighting equipment for many years—to see how the requirements of the new regulations were being coped with. I found that the firm had already perfected the reflectors and had rejigged rear lamp and flasher