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 144,949 pages of information and 230,620 images on early companies, their products and the people who designed and built them.

Marconi Instruments

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December 1945
1947. Universal bridge.
c1947. Universal Bridge.
September 1947. Moisture meter.
January 1949.
March 1949.
May 1949.
June 1949.
August 1949.
September 1949.
December 1951.
June 1955. RF Power Meters.
1959. Oscilloscope.
Marconi AM Signal Generator TF 80 ID. No. JA42/063.

of St. Albans.

1900 Company formed from part of Marconi's Wireless Telegraph Co Limited as the Marconi Company's electrical measurement instrument manufacturer

1936 Incorporated as Marconi Instruments Limited

1936 Private company.

1946 The holding of Cable and Wireless in Marconi's Wireless Telegraph Co was acquired by English Electric Co[1]. As well as the whole of the share capital in Marconi's Wireless Telegraph Co, this also gave English Electric the entirety of Marconi Instruments Ltd[2].

1958 Marconi Instruments Ltd offered more than 100 different instruments and was developing in nuclear power instrumentation, guided weapons testing and multi-channel radio link equipment[3].

1961 Manufacturers and designers of telecommunication measurement equipment, industrial electronic instruments, industrial X-Ray apparatus, diagnostic and therapeutic X-Ray apparatus and electro-medical equipment. 1,500 employees. [4]

1968 GEC acquired English Electric

1974 Marconi Instruments developed a spectrum analyser MI TF2370.[5]

1998 After George Simpson took over as Managing Director of GEC in 1996, several businesses were sold including Marconi Instruments which was sold to IFR Systems of the USA[6]. It became IFR Instruments Limited

See Also


Sources of Information

  1. The Times, 26 April 1946
  2. The Times, 20 July 1946
  3. The Times, 14 March 1958
  4. 1961 Dun and Bradstreet KBE
  5. The Engineer 1974/04/04
  6. The Times Saturday, Feb. 14, 1998