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 #:
000684
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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666 RICHARDSON'S BLUEBOOK OF PROJECTION Anode Positive terminal of any electrical device. Cathode is the opposite or negative terminal. Aperture, Projector The opening in the projector aperture plate through which the picture is projected. Arc Flame A flame emanating from the electrode (carbon) tips of an electric arc. Has little if any value insofar as has to do with screen illumination. Aperture Plate A metal plate containing the aperture through which a motion picture is projected. Armature That part of a dynamo in which electric energy is generated, or the rotating parts of some types of motor. Atmospheric Absorption The absorption of light or sound energy by the air through which it passes. Air impurity increases absorption. Attenuation A term employed to express weakening of intensity. Automatic Fire Shutter A metallic blade and its operating mechanism. The blade rises from over the projector aperture when projection speed has reached a safe limit, and drops into place thus shutting off all light from the film, when projection speed drops to an unsafe level. The film must travel through the intense heat of the spot at a certain minimum of speed, else there is danger of it catching fire.