Photocopying – Contact printing – Light boxes
Patent
1974-11-13
1976-04-27
Greiner, Robert P.
Photocopying
Contact printing
Light boxes
354316, 354319, 354 78, 355 27, 355 28, 355 46, 355 73, G03D 1700
Patent
active
039538737
ABSTRACT:
A camera adapted for making a chemically developed printing plate or a more economical dry developed printing plate. The camera has a magazine for supplying selectively one of two types of light sensitive film material, advancing a severed sheet of the selected material to the image plane, and directing that subsequently imaged plate to the associated processing station to produce a developed and ready printing press plate.
REFERENCES:
patent: 3523726 (1970-08-01), Herman
patent: 3718395 (1973-02-01), Hollwedel
patent: 3843253 (1974-10-01), Mikan et al.
Tholen John H.
Winters John C.
Greiner Robert P.
Minnesota & Mining Manufacturing Company
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