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 143,446 pages of information and 230,060 images on early companies, their products and the people who designed and built them.

Pearson and Sopwith

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Pearson and Sopwith were motorcycles produced fom 1920 to 1922, with the involvement of aircraft pioneer Tom Sopwith.

1920 These conventional machines were reputely 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

  • 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