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 138,904 pages of information and 225,312 images on early companies, their products and the people who designed and built them.

British Calculators

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of Invicta Works, Belfast Road, Stoke Newington

1909 Exhibited the Bri-cal Money Adding Machine at Olympia[1]

See Also


Sources of Information

  1. The Times, Oct 16, 1909