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 146,106 pages of information and 231,598 images on early companies, their products and the people who designed and built them.

Mechanical Development Syndicate

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of Victoria Street, London

1908 November. Details of the M.D.S. oscillating engine using a rotating sleeve valve. Patented 1903 and 1905.[1]

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