Richardson's handbook of projection (1927)

Page scan 00015 from Richardson's handbook of projection

Record Details:

Title:
Richardson's handbook of projection
Date:
1927
Publisher:
New York : Chalmers Publishing Company
Volume:
Richardson's handbook of projection
Leaf #:
00015
Language:
English
Subjects:
Motion Pictures, Motion Picture Technology
Collection:
Books
Format:
Books
Contributor:
Media History Digital Library
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Description:
Date Added:
August 01, 2024
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MANAGERS AND PROJECTIONISTS Adjustment of Gate Idlers Aperture Tension Adjustment What is the office of the aperture tension? 636 What are the effects of a too-heavy tension? 636 Will or may a too-heavy tension so injure film that a steady picture can never be projected with it thereafter ? 637 Should motion picture projectors be provided with suitable means for adjusting the aperture tension? 637 To Set Tension Correctly How may the aperture tension be adjusted correctly? 637 Is the projectionist who is careless with projector aperture fit to have charge of projectors at all?.. 637 Emulsion Deposit Does surplus cement used in making splices increase the tendency to deposit on tension shoes? 637 Should tension shoes be watched very closely for deposit when using first run film ? 638 What is the best method for removing deposit, and what should be avoided in cleaning deposit off tension shows ? 638 How may deposit be decreased or avoided? 638 Worn Aperture Plate Tracks To what cause may buckeling of the film over the aperture be due ? 638 What may be the practical effect of worn aperture plate tracks on the screen image? 638 How often should aperture plate tracks be renewed? 639 Sprocket Idlers and their Adjustment How far from the face of the sprocket should BOTH ends of all sprocket idlers be? 639 What may be the various results from a wrong adjustment of sprocket idlers ? 639 Should sprocket idlers ever "ride the film" ? 639 Why should idlers be examined frequently and be kept lubricated ? 639 Describe one practical method of properly adjusting distance of idlers from face of sprocket 639 Lining Cam Shaft 639 Magazines in Line 640 Projection Room Reels 322 and 640 ix