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 148,439 pages of information and 233,876 images on early companies, their products and the people who designed and built them.

Adamant Engineering Co

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August 1933.
November 1943.
November 1944/October 1945.
April 1947.
November 1947.
March 1948.
November 1954. Marles.
November 1957. Marles.
November 1958.
May 1962.
September 1962.

of Dallow Road, Luton, Bedfordshire

1878 Joseph Clarke Threadgold established business of engineers and founders at Luton[1]

1919 Incorporated as private company to take over the business of engineers and founders of J. C. Threadgold and Sons

1921 Began production of Marles steering gear for the Marles Steering Co Ltd, which never engaged in manufacturing

1924 Acquired exclusive rights to the Marles gear for the UK under licence

1937 Mechanical engineers.[2]

1946 Acquired the Marles Steering Co Ltd

1950 Agreement with Gemmer Manufacturing Co for exchange of information and exploitation of any improvements worldwide made by either party (related to Marles steering gear).

1951 Formation of public company Adamant Engineering Co (Luton) Ltd to take over the private Adamant Engineering Co[3][4]

1955 Merger with Western Manufacturing of Reading to form Adamant and Western Engineering[5].

1961 Agreement with Bendix Corporation of USA for manufacture and sale of Bendix manual and power-assisted steering[6].

See Also


Sources of Information

  1. The Times 12 March 1951
  2. * 1937 The Aeroplane Directory of the Aviation and Allied Industries
  3. The Times 12 March 1951
  4. The Times 30 December 1955
  5. The Times 12 February 1955
  6. The Times 31 August 1961