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 165,056 pages of information and 246,459 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.

Tungsten Lamp Association

From Graces Guide

1912 BTH, GEC, and Siemens pooled their patents on metal filament lamps; with Ediswan they formed the Tungsten Lamp Association.

1919 The British Carbon Lamp Association and the Tungsten Lamp Association combined to form the Electrical Lamp Manufacturers Association of Great Britain. Principal members were BTH, GEC and Siemens Brothers and Co; 6 other companies had also joined and 7 others were non-associates[1].

See Also

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Sources of Information

  1. The Times, 17 March 1920