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 140,318 pages of information and 227,382 images on early companies, their products and the people who designed and built them.

Stephen Evans Alley

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Published 1901. Stephen Alley.

of Alley and MacLellan

Son of the company founder Stephen Alley

1921 Patent on improved crank shaft and differential gear, with Arthur Thomson, for Sentinel Waggon Works

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