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 134,039 pages of information and 213,154 images on early companies, their products and the people who designed and built them.

William Robert Sykes

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1917.

William Robert Sykes (c1840-1917), inventor of the lock-and-block system of railway signalling. Of the W. R. Sykes Interlocking Signal Co

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