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 148,524 pages of information and 233,954 images on early companies, their products and the people who designed and built them.

William Ross and Sons

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April 1903.
March 1912. Duplex Reducing Valves.
October 1912.
April 1913.

27 Thistle Street, Glasgow.

1951 British Plaster Board Ltd acquired the valve manufacturing business[1]

1965 Acquired by an alloy producer, the company's main raw material, Imperial Metal Industries[2]

1969 Acquired by Sir W. H. Bailey and Co.[3]

See Also


Sources of Information

  1. The Times July 31, 1951
  2. The Times July 7, 1965
  3. Safety Systems Company Timeline