F. H. Richardson's bluebook of projection (1935)

Record Details:

Title:
F. H. Richardson's bluebook of projection
Date:
1935
Publisher:
New York : Quigley Publishing Company, Inc.
Volume:
F. H. Richardson's bluebook of projection
Leaf #:
000206
Language:
English
Subjects:
Motion Pictures, Motion Picture Technology
Collection:
Books
Format:
Books
Contributor:
Media History Digital Library
Sponsor:
{"Media History Digital Library","Jeff Joseph"}
Coordinator:
Media History Digital Library
Description:
Date Added:
August 01, 2024
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188 RICHARDSON'S BLUEBOOK OF PROJECTION ments, mounted on a table top, are used, the projectionist can make a brake out of simple materials. (57) He should also provide means for the automatic opening of the rewinder motor circuit switch as soon as the film has been wholly rewound. Otherwise the film will continue to run until someone stops it — the end of the film, in the meanwhile, slapping around and being injured. In projection rooms around the country there are examples of rewinder brakes, automatic motor switches and other projection accessories that should be the envy of all engineers and manufacturers. An Ideal Rewinder Arrangement (58) Messrs. Slagle and Seckle, projectionists at the Palace Theatre, Marion, Ohio, have what is generally considered an ideal rewinder, built by themselves, and in daily use for more than six years. It operates at the .042 1,01 MM .301 7W4MM .1&7 4.75 MM o ■Q | Projector Aperture -""*{ CD Splice "T. -072 1 63 MM Splice .156 19b MM Fig. 60. — Showing properly made splices. Upper illustration is a regular positive splice; lower, is a full hole positive splice. rate of 1,000 feet of film in six minutes; by shifting belts, when necessary, it will rewind at a much faster rate, but always smoothly and efficiently. This is how they built it.