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 148,439 pages of information and 233,876 images on early companies, their products and the people who designed and built them.

Coventry Duplex

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1907 Advertised in December. Powered by a Motosacoche motor attachment. [1]

See Also


Sources of Information

  1. The Motor Cycle of 4th December 1907
  • Coventry’s Motorcycle Heritage by Damien Kimberley. Published 2009. ISBN 978 0 7509 5125 9