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Expired
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Gerald Fortescue Wetherman
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Individual
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Individual
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Publication of GB190008437ApublicationCriticalpatent/GB190008437A/en
8437. Wetherman, G. F. May 7. Photo-mechanical printing.-Relates to a method of printing in several colours by the collotype process. The object, coloured picture, or design &c. is photographed through colour filters in the manner commonly practised in three-colour printing. From the three or more negatives thus taken, collotype plates or printing-surfaces are made, and printed from each in their proper colour, and in proper order to produce the coloured print.
GB190008437D1900-05-071900-05-07Improvements in the Method of Producing Coloured Pictures, Drawings, and the like.
ExpiredGB190008437A
(en)