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 136,379 pages of information and 219,138 images on early companies, their products and the people who designed and built them.
Greenwood's and Airvac Ventilating Co
From Graces Guide
Greenwood's and Airvac Ventilating Co Ltd. Designers and Manufacturers of Ventilating Equipment for Buildings, Vehicles and Vessels of Beacon House, Kingsway, London. (1952).
Presumably brought together the company behind Greenwood's Patent Chimney Cowl and Airvac Ventilators
See Also
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