Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 162,257 pages of information and 244,498 images on early companies, their products and the people who designed and built them.
Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.
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]
Grace's Guide web site design is Copyright © 2021 by Grace's Guide Ltd. The text of this web site is available under the Creative Commons Attribution-ShareAlike License; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy. Maintained by Sapere Software