Photocopying – Projection printing and copying cameras – Detailed holder for original
Patent
1980-07-28
1982-06-15
Wintercorn, Richard A.
Photocopying
Projection printing and copying cameras
Detailed holder for original
353 23, 353 95, G03B 2762
Patent
active
043347681
ABSTRACT:
A flat receptacle to be mounted on a photographic enlarger to receive negative carriers. The receptacle has openings in the top and bottom walls to enable passage of light and a slot in one side wall enables insertion of a negative carrier. Means, such as holes in the bottom wall, interlock with complementary pins or the like on the bellows. The light source housing is lowered to clamp the receptacle in place for extended use, and the negatives may be inserted in the slotted side wall without raising and lowering the lamp house.
REFERENCES:
patent: 2552225 (1951-05-01), Simmons et al.
patent: 2589680 (1952-03-01), Denny, Sr.
Professional Photo Products, Inc.
Stidham Melvin R.
Wintercorn Richard A.
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