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 148,369 pages of information and 233,846 images on early companies, their products and the people who designed and built them.

Salford Electrical Instruments

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December 1945
1946. Mercury Switches.
September 1947
August 1948.
January 1949.
March 1949.
June 1949.
September 1949.
December 1951.
June 1955. Puretone tape recorder.

of Peel Works, Silk Street, Salford, 3, Lancs. Telephone: Manchester Blackfriars 6688. Cables: "Sparkless, Manchester". (1947)

of Times Mill, Gee Street, Heywood.

1910 Company founded.

1910 On 24th December GEC incorporated the Peel Works as a separate company, employing 1,000 workers[1].

1912 Investments in various companies including Salford Electrical Instruments Ltd making measuring instruments; all three companies were directed or controlled by GEC.

1937 Manufacturing electrical engineers. [2]

1945 Proprietors were GEC

1947 British Industries Fair Advert as Manufacturers of Switchboard, Portable and Substandard Electrical Indicating Instruments; Industrial Electronic Equipment; Magnetic Powders and Cores; Quartz Crystal Units; Radio Cores; Toroidal Cores and Coils; Mercury Switches, Relays, Optical Components and Apparatus; Rectifiers; S. E. I. Exposure Photometers; Photo-cells; Synthetic Sapphires. (Scientific and Optical Section - Olympia, Ground Floor, Stand No. A.1119) [3]

1958 Maker of components for communications, crystal valves, transistors, electrical instruments and thermostatic devices[4]

1961 Manufacturers of electrical instruments, thermostats, telecommunication components. 1,725 employees. [5]

1968 The combination of SEI and Chamberlain and Hookham with AEI operations at Motherwell, Harlow and Manchester was expected to make a strong base for competing in meters, instruments and components[6]

1973 SEI was a member of GEC Electrical Components Ltd

See Also


Sources of Information

  1. History of Peel-Conner Telephone Works: [1]
  2. 1937 The Aeroplane Directory of the Aviation and Allied Industries
  3. 1947 British Industries Fair Advert 416; and p239
  4. The Times, Sep 05, 1958
  5. 1961 Dun and Bradstreet KBE
  6. The Times July 30, 1968