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 142,947 pages of information and 228,874 images on early companies, their products and the people who designed and built them.

Research and Control Instruments

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1959.Instrument for counting beta radiation.

of Nightingale Lane, London SW.

of Kings Cross Road, London.

1935 Private company formed as Radio Transmission Equipment Ltd.

1943 Presented microphone and amplifier to South London Hospital for Women.[1]

1947 Name changed.

1958 Name changed to Mullard Equipment Ltd.[2]

By 1960 Radio Transmission Equipment was (part of) Research and Control Instruments Ltd.[3]

1961 Scientific equipment, instruments, welding supplies, filtration, equipment and high frequency generators. 195 employees. [4]

By 1962 was a subsidiary of Philips Electrical.

Made X-ray machine for testing of metals[5]

1962 Joint venture of Research and Control Instruments with Redifon of the Rediffusion group, pooling the 2 companies' induction and dielectric heating businesses; to be called Intertherm; based in Brixton.[6]

1966 Research and Control Instruments was voluntarily wound up[7]

1967 After several years losses, Rediffusion sold its interest in Intertherm to Philips.[8]

See Also

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Sources of Information

  1. The Times, Dec 24, 1943
  2. The Times, Oct 07, 1959
  3. The Times, Jun 25, 1960
  4. 1961 Dun and Bradstreet KBE
  5. The Times, Jul 23, 1971
  6. The Times, Jun 28, 1962
  7. The London Gazette 15 April 1966
  8. The Times, Jul 05, 1967