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 142,187 pages of information and 227,783 images on early companies, their products and the people who designed and built them.

Electronic Tubes

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September 1953. Emitron Cathode Ray Tubes.
May 1960.

of Kingsmead Works, High Wycombe, Bucks.

1946 Private company established to contain A. C. Cossor's thermionic valve operations, which had been concentrated in one unit after the end of the War, in collaboration with Sylvania Electronic Products. This subsidiary was entitled Electronic Tubes.

1947 Patent on improvements in cathode ray tubes.

1949 EMI acquired control of Electronic Tubes which continued to supply A. C. Cossor which retained a financial interest in the company[1].

Maker of Emitron cathode ray tubes

1958 Patent on improvements in electron guns.

1961 Manufacturers of cathode-ray tubes. 500 employees.[2]

1963 Patent on improvements in circuits for cathode ray tubes.

See Also

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Sources of Information

  1. [1] Competition Commission
  2. * 1961 Dun and Bradstreet KBE