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Thomas Thorne Baker
Maurice Sinay Berger
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Individual
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Individual
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Publication of GB189912678ApublicationCriticalpatent/GB189912678A/en
12,678. Baker, T. T., and Berger, M. S. June 17. Colouring.-Relates to a method of tinting photographs by mixing litmus with the sensitive emulsion, and then applying acid or alkali to certain parts by a brush, to obtain red or blue tints. The litmus is added to the emulsion before coating, preferably in the form of a solution.
GB189912678D1899-06-171899-06-17An Improved Method of Tinting Photographs.
ExpiredGB189912678A
(en)