Society of Motion Picture Engineers : incorporation and by-laws (1922)

Page scan 00056 from Society of Motion Picture Engineers : incorporation and by-laws

Record Details:

Title:
Society of Motion Picture Engineers : incorporation and by-laws
Date:
1922
Publisher:
New York : Society of Motion Picture Engineers
Volume:
Transactions of the Society of Motion Picture Engineers (1922)
Leaf #:
00056
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:
September 12, 2024
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"A" "R" ctrv) "TV Positive Positive Postitive Positive Fig. 4. Cut-Outs from, the Average Exchange and Projection Booths Samples "A," aB", and UC" are beveled splices; that is, both emulsion and celluloid surfaces have been scraped to a bevel of 8°. The average width of these splices is one thirty-second of an inch, or approximately the width of the average frame line. The thickness at point of splice is but .0075, which is .0025 thicker than the average thickness of a single strip of film. Sample "A" for negative raw stock will readily pass through any of the present day camera movements, and a positive raw stock splice through the printers without interference or liability of breakage. Sample "B" is an exposed negative splice, which will be compared in Figure No. 6 with a print of itself on positive stock. Sample "C" is an exposed positive splice, beveled with the negative adjustment cutters. To all appearances, this splice is barely noticeable, and even to the scrutinizing eye is as one continuous piece of film. It is as flexible as the film itself, and its longevity is determined only by the accuracy and care with which it is made 46