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 148,111 pages of information and 233,643 images on early companies, their products and the people who designed and built them.

Sidney F. Walker

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1901 January. Article 'Electrical Ignition'.[1][2][3]

1901 Paper on "Alternating Currents in Mining"

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Sources of Information