International projectionist (Jan 1963-June 1965)

Record Details:

Title:
International projectionist
Date:
Jan 1963-June 1965
Publisher:
New York : International Projectionist Publishing Co., Inc.
Volume:
International projectionist (Jan 1963-June 1965)
Leaf #:
000113
Language:
English
Collection:
Technical Journals
Format:
Books
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:
International Projectionist presented the technology of cinema sound and image projection while addressing the issues and concerns of union projectionists. -- David Pierce, 2013
Date Added:
September 21, 2023
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*•*> ■ Double 84 inch relay racks for stereo pre-amplijier anil controls. No. 2, and No. 3 amplifier channels to stage speakers, and output selector panel. On the right is the optical stereo selective monitor and input controls to the optical power amplifier. projection and intercommunication system was installed l>\ Carolina Sound Kquipment Service. Charlotte, under the direction of the firm's engineer, R. W. Ramsey, and John L. Shaver. Jr.. assistant to Ramsey. The Cinema Theatre has a seating capacity of 600. The cost of the building was $133,500, exclusive of land. The cost of the equipment was approximatel) S 10,000. The exterior was constructed of glass, ceramic tile, brick and concrete, with the main sign and marquee huilt in Plexiglas with Wagner glass H THE VERY FINEST PROJECTOR PARTS The ultimate in precision, long life and dependability— they keep projectors in top operating condition essential to good pictures, patron satisfaction and good business. Available through your Theatre Equipment Dealer. SINCE 1908 MACHINE WORKS 463S W. LAKE ST., CHICAGO 44, ILL. TELEPHONE— AREA 312— ES 8-1636 How electrical noise is produced • • . calculated . . . measured . . . controlled Here are the basic facts about electrical noise — how it originates in circuits . . . what terms describe it . . . how to measure it . . . how to design circuits to minimize its undesirable effects. The physical nature of tbe various sources of noise are clearly described, including such sources as thermal agitation or resistance noise . . . shot noise in vacuum tubes and semiconductor junctions . . . noise from spontaneous emission of electromagnetic radiation . . . and noise in gas discharges. This practical book also explains auxiliary mathematical techniques, and discusses the relation of signal and noise in various types of communication systems. For ease in use, the simple tuned circuit associated with a device for measuring average power is made the basic tool for analyzing noise. ELECTRICAL 270 pages, 6x9 105 illustrations $10.00 By WILLIAM R. BENNETT Data Communications Consultant, Bell Telephone Laboratories, Inc. Rear of right projector assembly wiring and booth intercommunication and house lighting control. (No horizontal conduit runs.) International Projectionist June 1963 Each chapter in this helpful book begins in a simple, practical manner and works toward more complicated examples. For example, properties of thermal noise and its relation to blackbody radiation are deduced from basic laws of thermodynamics and statistical mechanics. You also will find a clear treatment of elementary quantum mechanics in discussions of the maser and of noise in semiconductors. And, in describing noise properties of various devices, the book fills in your working background with basic facts on junction diodes — transistors — gas discharge tubes— klystrons— traveling wave amplifiers— and others. Both independent and dependent noise sources are analyzed. In addition to the standard theory of noise figure and its significance, a treatment is given of the more comprehensive Haus-Adler theory of noise measure. Throughout, the book stresses the universality of noise-like phenomena. Noise formulas for diodes and transistors; noise generation to meet specifications; design of amplifiers for minimum noise effects— these and many other topics "are covered. A comprehensive review of noise in the various methods of signal transmission such as amplitude modulation . . . frequency modulation . . . and the different kinds of pulse modulation is included, CONTENTS 1. General Properties of Noise 2. Thermal Noise 3. Distribution of Magnitudes in Noise Sources 4. Noise in Vacuum Tubes 5. Noise in Semiconductors 6. Noise in Electromagnetic Radiation 7. Noise-generating Equipment 8. Noise Measurements and Techniques 9. Design of Low-noise Equipment 10. Application of Fourier Analysis to Noise Problems 11. Noise in Communication Systems INTERNATIONAL PROJECTIONIST Post Office Box 6174 Minneapolis 24, Minnesota Please send me a copy of "Electrical Noise" by William R. Bennett. (I enclose $10.00.) Name Address City & State 13