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 136,315 pages of information and 219,072 images on early companies, their products and the people who designed and built them.

D. O. Boyd

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D. O. Boyd, Engineer and Manufacturer of 19 and 23a Maddex St, Regent Street, W.

Factory at 4 Marlborough Mews, W.

Boyd's Hygiastic-Ventilating School Grate

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