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 142,121 pages of information and 227,783 images on early companies, their products and the people who designed and built them.

Invincible Policies

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March 1932.
October 1933.
May 1934.
February 1935.
8 April 1936 Advert from CyclingMagazine.
October 1936.
January 1939.
October 1949.
October 1953.

of 51 Bishopsgate, London.

of 7 Whittington Avenue, London E.C.3. (1949)

See Also


Sources of Information