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 135,178 pages of information and 215,041 images on early companies, their products and the people who designed and built them.

Industrial Science

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1974 Manufactured a low tension fluid to locate leaks in pressurised gas systems.[1]

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Sources of Information

  1. The Engineer 1974/05/30