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 148,369 pages of information and 233,846 images on early companies, their products and the people who designed and built them.

Production Tool Alloy Co

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of Harlington Works, Sharpenhoe, Bedford.

  • 1932 Company founded.
  • 1934 Private company.
  • 1961 Manufacturers of hard metal products, specialising in hard metal tips for cutting tools and mining. 350 employees. [1]

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