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 148,470 pages of information and 233,895 images on early companies, their products and the people who designed and built them.

Grimshaw and Baxter

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Equivalents mic01.jpg

Grimshaw & Baxter of 29 Goswell Road, London

  • Clockmakers
  • 1879 Described as watch tool makers
  • Makers of the 'Improved Equivalents Micrometer', Patent 20028. This was similar to a modern 0 - 1 inch micrometer, but with the addition of a large dial whose internal movement was driven by the thimble. The dial had a number of windows which allowed direct readings of decimal inches, millimetres, SWG, Stubs Wire Gauge, fractional inches, and B.A. tapping sizes. These functions were only available in the range 0 to 0.300 inches.(see illustration)[1]
  • Made small hand-operated metal planing machines

See Also


Sources of Information

  1. 'Elementary manual on Applied Mechanics' 9th Edition, by Andrew Jamieson, published by Charles Griffin & Co., 1910