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 148,489 pages of information and 233,926 images on early companies, their products and the people who designed and built them.


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Sept 1940.
1943. Cobaltcrom hacksaws.
April 1943.
November 1943.
1943. Cobaltcrom hacksaws.
1943. Morex high-speed steel.
November 1944.
October 1945.
November 1947.
December 1947.
January 1948.
March 1948.
July 1948.
August 1948.
April 1952.
November 1953.
November 1954.

"Darwins" of Fitzwilliam Works, Sheffield.

1926 Company was founded with a nominal capital of £500,000, consisting of 450,000 8 per cent cumulative participating preference shares and 50,000 ordinary shares of £1 each. One of the main objects of the company was to take over the existing undertaking of Darwin and Milner. [1]

1937 High grade steel tools. "Cobalt Fastwork" Hacksaw Blades. "Darwin 505" Cobalt Tungsten High Speed Steel. "Vanadia" Hacksaw Blades. "Darwin 18" High speed hacksaw blade.

1939 See Aircraft Industry Suppliers

1953 Acquired Sheffield Forge and Rolling Mills Co from the Holding and Realization Agency[2].

1954 The Darwins Group consisted of:

1957 Private company.

1961 Manufacturers of alloy tool steels, alloy steels, alloy steel castings, magnets, hacksaws, precision tools and precision castings.

1961 Balfour and Darwins was formed by merging Arthur Balfour and Darwins Group of Sheffield. About 75 percent of the products were similar[3].

See Also


Sources of Information

  1. The Engineer 1926/04/09
  2. The Times, 23 February 1954
  3. The Times, Jul 07, 1961