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 148,495 pages of information and 233,940 images on early companies, their products and the people who designed and built them.

Walker and Holroyd

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Nov 1919.

of Pioneer Works, Thornbury Street, Laisterdyke, Bradford.

1937 Stampers and sheet metal workers. "Pioneer" Fire Extinguishers.[1]

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