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 #:
000688
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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670 RICHARDSON'S BLUEBOOK OF PROJECTION projection usually referring to one object that fills most of the screen. Collector Lens Element of a condenser that is next the light source and therefore' collects the light. Cooling Plate A shield located about one-half inch on the light source side of a motion picture projector aperture. Its purpose is to prevent the projector mechanism from being overheated. Condenser Optically, a lens or combination of lenses by means of which light is collected from a light source and concentrated upon the projector aperture. Condenser Electrically, a device usually consisting of two thin sheets of metallic substance separated by very thin insulation, the purpose being to temporarily collect and store electric energy. Its insulating medium is termed "dielectric." In certain types of condenser air supplies the insulation. Condenser, By-Pass See by-pass condenser. Condenser, Stopping A condenser employed to stop the flow of d.c. in a circuit. Condenser, Variable A condenser in which the capacitance may be altered, within certain limits, by the man in charge. Conduit Metal tubing in which two or more insulated wires are encased for their protection.