Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 133,813 pages of information and 211,901 images on early companies, their products and the people who designed and built them.

Roadless Traction

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1919 Company registered by Lieut-Col Henry Johnson

Produced half-track conversions for many commercial vehicle makers

1979 Company relocated from Hounslow to Sawbridgenorth, Herts

Early 1980s the company went into voluntary liquidation

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