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.

Pearson and Sopwith

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of Long Acre, London

1920 M.D. is G. W. Pearson formerly of Ruffells after purchase of their engineering department.[1]

Motorcycles produced from 1920 to 1922, with the involvement of aircraft pioneer Tom Sopwith.

1920 These conventional machines were reputedly produced by the Monarch firm. The engines used were 318cc Dalm, 269cc Villiers two-stroke, or 293cc sv JAP.

1921 A 499cc sv Blackburne model joined the range and transmission became all-chain with two or three-speed Sturmey-Archer gearboxes.


See Also

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Sources of Information

  1. Kinematograph Weekly - Thursday 12 February 1920
  • The British Motorcycle Directory - Over 1,100 Marques from 1888 - by Roy Bacon and Ken Hallworth. Pub: The Crowood Press 2004 ISBN 1 86126 674 X