Popular Photographic Print Processes:
Gum Bichromate prints
F. Holland Day, photographer. [ Girl in dress
with white collar]. Gum
bichromate print, [1905]
LC-DIG-ppmsca-13700 |
Dates in
general use: 1894-1920
Description:
A non-silver printing method using paper coated with a solution of gum arabic containing potassium or ammonium bichromate to make it light sensitive, and a pigment to provide image tones. This process allows extensive physical manipulation of the image by the photographer, sometimes resulting in an image which looks more like a drawing or watercolor painting than a photograph.
Further information and examples
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Print Processes Introduction and Table
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