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 136,260 pages of information and 218,941 images on early companies, their products and the people who designed and built them.

William Speirs Simpson

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1896.
William Speirs Simpson.

William Speirs Simpson (1845-1917) of the Simpson Lever Chain Co

Attended Glasgow University. Specialist in Metallurgy especially welding.

1877 Patent. '404. To William Speirs Simpson, of Battersea Park-road, London, in the county of Surrey, Mathematical Instrument Maker, for the invention of "a new or improved vent peg or tap."'[1]

Other patents listed

1896 Patent 186. William Spears Simpson, 166 Fleet Street, London. An improvement in or relating to the bridges of violins and similar stringed musical instruments.[2]

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