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 147,360 pages of information and 233,518 images on early companies, their products and the people who designed and built them.

F. H. Biddle

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of 52, Clerkenwell Close, London, E.C.1.

Air Conditioning and Cooling Equipment for Industrial Purposes, Self-contained Air-Conditioners, Air Cooling and Heating Coils, ”Univectair” and “Vectair” Heaters, Steam, Hot Water, Electricity and Gas, Steam and Electric Hand Dryers, Ventilating Fans and Grilles.

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