Photocopying – Contact printing – Light boxes
Patent
1974-10-22
1976-02-03
Moses, R. L.
Photocopying
Contact printing
Light boxes
355 71, G03B 1100
Patent
active
039368521
ABSTRACT:
A camera having a device for directing additional coloured light into the imaging lens thereof including a light source, a concavely curved coloured reflector, a coloured filter, a magnifying lens and a concavely curved reflector, the latter being disposed in front of the imaging lens to direct a uniform beam of coloured light into the imaging lens.
REFERENCES:
patent: 2855823 (1958-10-01), Klaus
patent: 3827071 (1974-07-01), Turpin
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