The history of three-color photography (1925)

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 #:
000488
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
Description:
Date Added:
September 21, 2023
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472 History of Three-Color Photography The theory of this three-color screen process may therefore be explained as follows : the rays which fall on the photographic film consist of red, green and blue light ; they penetrate corresponding to the rest of S S £ o . £s Si 5 A Mr 1 21 bi r 2 v~r bi r 3 9r 8 It 4 ■ or bi r 5 |or lbl B i 6 [•' Id H ■ 7 l?r Hh_ r S 21 bi ■ r 9 |or iB ' 10 ■ flr |bi Qr 11 H r 12 121 jbT Red. Yellow, green. Blue. Yellow. Bluegreen. Bed. Violet. White. Black. Grey. Yellow, orange. Whitish yelloworange. Brown. ■ 1 ■ 9r a." |bl OS a lr en a. cc ■ Qr o |bl Lens 1 L r . gr bi « r r at L gr F bl b Fig. 120 1 r r ' _g_l bi r 9' 21 bl r Mb! 1 ' [ bl Ijor" H bl gr bl Correct. Under. Over. Exposure. Fig. 121 Fig. 119 these three constituents, the three analogously colored lines, and produce a proportional deposit. This deposit will then, by means of the transparency in combination with the line screen, decompose in proportionate ratio the three colors, and there is formed a color picture similar to the original. Fig. 120 shows the production of a whitish orange, the upper diagram