Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 143,370 pages of information and 230,032 images on early companies, their products and the people who designed and built them.
of Acton Lane, London, NW10
1937 Aeroplane window specialists. "Beclawat" Specialities. 
1938 Makers of windows and door fittings for railways, ships, and road vehicles