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 142,981 pages of information and 229,093 images on early companies, their products and the people who designed and built them.

J. F. Gill

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J. F. Gill and T. C. R. Aveling invent a variable stroke engine further developed by Itala.[1]

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