Method of photographic dodging
United States Patent 3158478

Inventors:
Eaton, Richard E.
Dixon, John K.
Publication Date:
11/24/1964
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Assignee:
MELPAR INC
Primary Class:
355/77
Other Classes:
430/397, 355/133, 355/80
International Classes:
G03B27/72
US Patent References:
2912325Light-sensitive film prescreened by herschel exposure
2921512Photographic printing
2988978Photographic printing
Foreign References:
GB509308A
GB810526A