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 142,981 pages of information and 229,144 images on early companies, their products and the people who designed and built them.

John Frederick Wolff

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John Frederick Wolff (c1851-1916), managing director of J. F. Wolff and Co and chairman of the Railway Signal Co and a director of the Horsehay Co, Globe Pneumatic Engineering Co and Ransomes and Rapier

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