The history of three-color photography (1925)

Page scan 000141 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 #:
000141
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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Still Cameras and Chromoscopes 125 being the lens 3, the transparent mirrors 5 and 12, the back 6 of the former being colored rose or rose-violet, and the back 13 of the latter being coated with red; 9 and 10 were silvered opaque mirrors, which reflected the images to a1, bl, a and b, and the image a2, b'1 would be formed, as shown by the dotted lines, but the path was shortened by the interposition of the lens 18. E. Sanger-Shepherd38 patented a one-lens camera, Fig. 40, with a sliding carriage e, in which were three apertures, as shown in 3, and be --V Fig. 39. Sellc's E.P. 12,514, 1899. hind g and % were mirrors k, I, which reflected the image respectively to c and c2, in front of which were the filters d, d. When the aperture h was opposite the lens the image would be formed on the plate c1 through its filter d. The carriage was rapidly reciprocated by the cam m, which might be controlled with any convenient motive power ; p, p were the partitions forming separate chambers for the plates. If the images were all re