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 140,069 pages of information and 227,378 images on early companies, their products and the people who designed and built them.

BTH: Mazda

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1913.
July 1917.
1918.
March 1921.
November 1922.
February 1928
September 1928.
December 1928.
October 1931.
March 1932.
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.

1911 BTH acquired licences for all of General Electric's drawn-wire light bulbs, which they produced under the Mazdatrademark[1].

1911 Electrical Exhibition. Mazda lamps from 6 to 600 watts and other equipment[2].

WWI Using its experience in making filament lamps, BTH became a manufacturer of radio valves.

See Also

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Sources of Information

  1. The Engineer of 25th August 1911 p197
  2. The Engineer of 13th October 1911 p388