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 146,070 pages of information and 231,597 images on early companies, their products and the people who designed and built them.

Heat Treatment and Brazing Co

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1964 Efco acquired the remainder of the shareholding in Heat Treatment and Brazing Co, which provided contract heat treatment; this became part of Furnaces Division[1]

1977 British Heat Treatments, a subsidiary of Unochrome International, acquired Heat Treatment and Brazing Co from Oxy Metal Industries (which had owned Udylite, owners of Efco)[2]

See Also


Sources of Information

  1. The Times, Sep 24, 1964
  2. The Times, Feb 12, 1977