Optics: measuring and testing – By shade or color – Photography
Patent
1989-07-10
1991-06-11
McGraw, Vincent P.
Optics: measuring and testing
By shade or color
Photography
355 74, G01J 340, G03B 2758
Patent
active
050227645
ABSTRACT:
The instant invention provides a means and method for the photographic art of selecting the proper color light filters used to make color prints by preparing a matrix of nine images on a single sheet of color print paper. An easel fashioned with an integral filter magazine encasement and a rotatable and trnaslatable pedestal allow nine discrete images to be exposed onto a single sheet of color print paper thereby eliminating the need for using several sheets of color print paper, which results in economy of materials and time.
REFERENCES:
patent: 3718397 (1973-02-01), Smajo
patent: 4603967 (1986-08-01), Virtanen
patent: 4821079 (1989-04-01), Yoder
Copeland T. D.
Copeland, Jr. Tom D.
Craig, Jr. Doyle J.
Keesee LaCharles P.
McGraw Vincent P.
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