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 142,961 pages of information and 228,875 images on early companies, their products and the people who designed and built them.

Crypton Equipment

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March 1938.
December 1939.
Exhibit at the Dover Transport Museum.
Crypton Fast Charger c1940s-50s?
January 1946. Battery Chargers.
November 1946.
January 1957.

Crypton Equipment of Bridgwater, Somerset.

1936 Lancashire Dynamo and Crypto formed a subsidiary company: Crypton Equipment Ltd to deal with the company's battery charging, cinema and rectifier business[1].

1936 Produced one of the world's first engine testers.

1950s Pioneered the concept of 'area testing' and the use of oscilloscopes in testing.

1956 Was a subsidiary of Lancashire Dynamo Holdings Ltd[2]. Makers of specialised automotive and aircraft servicing equipment, and metal rectifiers for industrial applications.

1961 Manufacturers of automobile engine, battery and electrical testing and servicing equipment. 300 employees. [3]

1960s Research into computer controlled equipment

1963 Motor Show exhibitor. Engine performance equipment. [4]

1967 Became part of Thorn Electrical Industries when it acquired Metal Industries

1968 Thorn Electrical Industries acquired Triangle of Hyde, and amalgamated it with Crypton Equipment to form Crypton Triangle[5].

1970 Thorn sold Crypton Triangle to Tube Investments[6].

See Also


Sources of Information

  1. The Times, 21 February 1936
  2. The Times, 6 June 1956
  3. 1961 Dun and Bradstreet KBE
  4. 1963 Motor Show
  5. The Times, 28 July 1970
  6. The Times, 28 July 1970
  • CryptonTechnology [1]