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 143,388 pages of information and 230,040 images on early companies, their products and the people who designed and built them.


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of Progress Works, Gelderd Road, Leeds.

1937 Switchgear and fuseboard manufacturers. "Prentix" Fuseboards. "Prento" Switchgear.[1]

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