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 148,405 pages of information and 233,863 images on early companies, their products and the people who designed and built them.

Guy Rupert Fountain

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December 1936.
April 1944.
May 1944.
December 1945
September 1947

Guy Rupert Fountain (1898-1977) of West Norwood, London SE.27.

1898 Born in Selby, Yorkshire.

Son-in-law of John Portwine

c.1931 An engineer, Guy R. Fountain, owned a commercial garage in Dulwich. There he invented a solid-state rectifier made from an alloy of Tantalum and Lead. The brand name Tannoy was coined from the words Tantalum-Lead Alloy. Fountain set up a small factory in Dalton Road, West Norwood to manufacture the rectifiers.

1936 Tannoy The Sound People.

See Also


Sources of Information

  • Tannoy System - Company History [1]