Standard deals with material, quality and finish of road traffic signs and material, quality, dimensions and finish of posts, fittings, lanterns and internally illuminated bollards; optical properties of and methods of test for reflex reflectors and reflecting surfaces are specified, together with tests for other properties of complete signs.
Construction of road traffic signs and internally illuminated bollards
Brit Standards Instn -- Brit Standard
1959
43 pages
Standard
English
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