British photographic history

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Process and Half-tone plates 1895 onwards

As a part of a wider photo history project I am interested in the characteristics of these type of glass plates, sometimes also produced as flexible films. They were introduced from 1895 but were in production in various forms for decades.

I have some comparisons from the 1890s Journal of the Royal Photographic Society and a little from the BJP. If anyone has manufacturers information in particular I would be keen to hear.

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