Photocopying – Projection printing and copying cameras – Detailed holder for photosensitive paper
Patent
1978-06-01
1980-02-26
Wintercorn, Richard A.
Photocopying
Projection printing and copying cameras
Detailed holder for photosensitive paper
355 54, G03B 2758, G03B 2744
Patent
active
041903560
ABSTRACT:
A photographic easel includes a plurality of panels movable separately and independently of each other for exposing sequential portions of photographic material disposed on the easel.
REFERENCES:
patent: 2895377 (1959-07-01), Manning
patent: 3230823 (1966-01-01), Krassopoulos
patent: 4095892 (1978-06-01), Thornton
patent: 4108548 (1978-08-01), Hawkins
Shields H. Gordon
Wintercorn Richard A.
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