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 142,980 pages of information and 229,093 images on early companies, their products and the people who designed and built them.

Power-Pak Engineering Co

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1955 Announced a 49 cc 'clip-on' engine that clipped over the rear wheel

Possibly this company was a subsidiary of Sinclair Goddard Co

See Also


Sources of Information

  • Coventry’s Motorcycle heritage by Damien Kimberley ISBN 978 0 7509 5125 9