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 146,033 pages of information and 231,556 images on early companies, their products and the people who designed and built them.

R. L. Maddox

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Dr R. L. Maddox

1871 Introduced plates of silver bromide and gelatine as a substitute for collodion in the photographic process

1885 Award at the Inventions Exhibition

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