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 142,850 pages of information and 228,791 images on early companies, their products and the people who designed and built them.

Alphonse Henry Emanuel Berchem

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1893 Developed a means of securing valves in pumps[1]

1895 of Worthington Pumping Engine Co


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Sources of Information

  1. The Engineer 1893/05/12