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 148,386 pages of information and 233,857 images on early companies, their products and the people who designed and built them.

Opperman Gears

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Canal lock gate mechanism, Milan, 2015

of Tottenham.

of 3 Albemarle Street, Clerkenwell, EC1 (1937)

1924 Private company.

1937 Gun mountings, ground equipment, searchlight mountings. "Opperman" Reduction Worm Gears. [1]

WWII Manufactured parts for the De Havilland Mosquito.[2]

1961 Manufacture a wide range of spur, worm and helical gear units embodying any make or type of electric motor. [3]

1964 Opperman Gears (Holdings) Ltd acquired the non-ferrous foundry of George Kent Ltd and merged it with the existing subsidiary, W. J. Mariner and Co, as Opperman Foundries[4]

1968 Because of broadening range of business the company name was changed to Opperman Holdings[5]

1973 Opperman Holdings was acquired by Hawker Siddeley and became part of Brook Motors[6]

1985 Hawker Siddeley sold Opperman Gears Ltd, a leading maker of geared motors and mechanical power transmission equipment, to Unigate[7]

See Also


Sources of Information

  1. 1937 The Aeroplane Directory of the Aviation and Allied Industries
  2. Mosquito by C. Martin Sharp and Michael J. F. Bowyer. Published by Crecy Books in 1995. ISBN 0-947554-41-6
  3. 1961 Dun and Bradstreet KBE
  4. The Times, Jun 01, 1965
  5. The Times, Apr 16, 1968
  6. The Times, Sep 01, 1973
  7. HS 1985 Annual report