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 112,802 pages of information and 158,558 images on early companies, their products and the people who designed and built them.

1862 London Exhibition: Catalogue: Class VIII.: M. A. Soul

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1992. SOUL, M. A., 3 Leadenhall Street.

Salinometer for steam boilers using salt water (Long's patent).

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