Grace's Guide To British Industrial History

Registered UK Charity (No. 115342)

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 162,259 pages of information and 244,500 images on early companies, their products and the people who designed and built them.

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.

BTH: Mazda

From Graces Guide
Revision as of 13:35, 29 June 2012 by PaulF (talk | contribs)

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March 1921.
November 1922.
February 1928
September 1928.
December 1928.
October 1931.
September 1937.
April 1946.
August 1946.
1947.
March 1953.
October 1953.

Brand of electric filament lamps for cars and other uses, and electronic valves, made by BTH Rugby.

See Also

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Sources of Information