Transactions of the Society of Motion Picture Engineers (1922)

Record Details:

Title:
Transactions of the Society of Motion Picture Engineers
Date:
1922
Publisher:
New York : Society of Motion Picture Engineers
Volume:
Transactions of the Society of Motion Picture Engineers (1922)
Leaf #:
000157
Language:
English
Subjects:
motion pictures, Cinematography -- Periodicals
Collection:
Technical Journals
Format:
Periodicals
Contributor:
Library of Congress, MBRS, Moving Image Section
Sponsor:
Library of Congress, Motion Picture, Broadcasting and Recorded Sound Division
Coordinator:
Media History Digital Library
Description:
Preceeded by an unnumbered issue published in 1916 called: Incorporation and by-laws
Date Added:
December 28, 2023
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the red, and the other with a green filter which will cause the red to record and not the green. Then make prints from these in trichromat ed gelatine, staining the print from the red negative with the original green stain and then that from the green negative with the original red stain and superpose the prints. It will be found that lantern slides made in this way will reproduce the original appearance of the slide in a most satisfactory manner. COLORS REPRODUCTION ... BY TWO COLOR PROCESS BUCK BUCK PURPLE BROWN BLUE BLUE GREEN BLUE GREEN BLUE GREEN EMERALD GREEN GREEN YELLOW GREEN VERY LIGHT GREEN BUFF EXTREMELY LIGHT RED YELLOW VERY LIGHT RED ORANGE LIGHT RED RED RED Fig. 14. Chart showing rendering of colors by the Two-Color Process The choice of filters is, of course, of critical importance, and this is best decided by visual trial under the microscope, the filters chosen being those which most nearly absorb the color to be photographed: Photographing a section stained with Delafield's Hematoxylin and Precipitated Eosine, the A filter shows no trace of the Eosine and gives a good strong negative of the Hematoxylin. The B and C filters together record the Eosine and Hematoxylin both fully, and when the positives are made and stained with a blue dye 147