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 132,806 pages of information and 210,387 images on early companies, their products and the people who designed and built them.

Allen Knight and Co

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1911 The Marlborough aeroplane used a Coventry Simplex 35hp engine, despite its great weight of 280lb[1]

See Also


Sources of Information

  1. The Times, Mar 29, 1911