The history of three-color photography (1925)

Page scan 00028 from The history of three-color photography

Record Details:

Title:
The history of three-color photography
Date:
1925
Publisher:
Boston : American Photographic Publishing Company
Volume:
The history of three-color photography
Leaf #:
00028
Language:
English
Subjects:
Motion Pictures, Motion pictures--Technology
Collection:
Books
Format:
Books
Contributor:
Media History Digital Library
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Date Added:
May 08, 2025
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12 History of Three-Color Photography spectrum itself, until they yield negatives having curves of intensity like the curves of a diagram representing the action of the spectrum upon the set of nerve fibrils in the eye." This theory is further elaborated21 and it is stated that in the making of prints, pigments must be used, which are complementary to those rays of the spectrum, which represent the primary color sensations, and Prussian blue, eosin red and brilliant yellow were recommended. B C Fig. 1 A. Ives' U.S.P. 432,530. B F G H IjL n Fig. 1 B. Abney's Color-Sensation Curves. Ives22 patented this "new and true" principle and gave the following diagram, Fig. 1 A, of the Maxwell color-sensation curves. The letters A, B, C, etc., represent the Fraunhof er lines ; and 1, 2 and 3 are spectrum colors which represent the primary color-sensations ; a,b,c are the curves showing the relative power of spectrum rays to excite the respective primary sensations.