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 132,804 pages of information and 210,387 images on early companies, their products and the people who designed and built them.

Igranic Electric Co

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January 1920.
1920.
1920.
1920.
1920.
1922.
1922.
1923.
1925. Automatic Starting Rheostat.
1925. Igranic Star-Delta Switch and Contactor Panel.
1929.
1931. Solenoid Operated Brake.
1931.
September 1933.
1935. Circuit Breaker.
July 1938. Electric Motor Control Gear.
30th December 1938.
August 1945.
May 1953.

of Igranic Works, Elstow Road, Bedford.

of 147 Queen Victoria Street, London, EC4. Telephone: Central 7123. Cables: "Igranic, London"

1913 Private company established in order to make and further develop the patented control gear of the Cutler-Hammer Manufacturing Co in Britain.

Also took over the business of Adams Manufacturing Co[1]

1916 Patent - Improved Means for Controlling Electric Motors.

1920 September. Exhibited at the Machine Tool and Engineering Exhibition at Olympia with chargers for accumulators used in electric trucks. [2]

1924 Patent - Improvements in or relating to means for inductively coupling electric circuits.

1925 Opened a new office at British Dominions House, Tramways, Centre, Bristol.[3]

1929 Advert for Radio Components; Short Wave and Universal Portable Receivers. Manufacturers of Radio Receiving Sets: Neutrosonic, Universal, Neutor-regenerative; Outfits for building Receiving Sets: Igranikit, Supersonic-Heterodyne. Radio Components. Gramophone reproducing equipments for cinemas, Ballrooms or domestic use: The Phonovox. (Wireless Section - Stand No. MM.40) [4]

1937 Electrical engineers. "Igranic" Electrical Accessories. [5]

WWII Manufactured parts for the De Havilland Mosquito

1943 Acquired by Metal Industries.[6]

1946 Patent - Improvements in or relating to electrical contacts.

1956 The Bromborough operation, mainly making radio components, was closed.[7]

1960 Metal Industries integrated its long established subsidiaries Brookhirst Switchgear Ltd and Igranic Electric Co Ltd into Brookhirst Igranic Ltd[8].

1961 Electrical engineers and manufacturers of electric motor control gear, electro-magnetic brakes, clutches and lifting magnets. [9]

See Also

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Sources of Information

  1. Obituary of Marcus Hunter
  2. The Engineer, 3 September 1920 p233
  3. The Engineer, 23 October 1925
  4. 1929 British Industries Fair Advert 236a and p85
  5. 1937 The Aeroplane Directory of the Aviation and Allied Industries
  6. The Times, 14 August 1943
  7. The Times, Oct 10, 1956
  8. The Times, 16 August 1960
  9. 1961 Dun and Bradstreet KBE
  • Mosquito by C. Martin Sharp and Michael J. F. Bowyer. Published by Crecy Books in 1995. ISBN 0-947554-41-6
  • [1] Wikipatents
  • [2] Ditto
  • [3] Powder Metal Web