Photocopying – Contact printing – Light boxes
Patent
1979-11-21
1980-12-23
Griffin, Donald A.
Photocopying
Contact printing
Light boxes
354 83, 355 53, 355 73, G03B 1750, G03B 2642, G03B 2760, G03G 1500
Patent
active
042407257
ABSTRACT:
A camera with gas cushion film feed in which an imaging fluid is injected into the cushion so that imaging can take place after exposure of the film which may be either an electrostatic film or silver halide film.
REFERENCES:
patent: 2976144 (1961-03-01), Rose
patent: 3528355 (1970-09-01), Blackert
patent: 3864035 (1975-02-01), Kuehnle
Bain-Smith Timothy
Spence-Bate Harry A. H.
Griffin Donald A.
Spence-Bate Harry Arthur Hele
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