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 129,345 pages of information and 204,297 images on early companies, their products and the people who designed and built them.

H. W. Cox and Co

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H. W. Cox and Co Ltd

1910 Exhibited at the Physical Society's Exhibition a new design of induction coil and interrupter which could be run on 200-250 volts without intermediate resistance [1]

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Sources of Information

  1. The Times, Dec 12, 1910