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International projectionist (Jan-Dec 1954)

Record Details:

Title:
International projectionist
Date:
Jan-Dec 1954
Publisher:
New York : International Projectionist Publishing Co., Inc.
Volume:
International projectionist (Jan-Dec 1954)
Leaf #:
000307
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:
May 16, 2024
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SEP -9 1954 Why Strong Rectifiers are Alioaus Preferred •^^ p*" ,. :<% RtcrmtRS ^ pxesentaUon. ^o attention Ol even m tot use ^""^ e0.75A-P;-,,,^ons. Sup*e* ^^"^ beusedv^itlv i "^ R.Tube „ , »— 6-Tube 4-Tube g.pvvase r^T;^ Botatxng ^-^ coax^c^^ 1 ^^ ^ J T ovr intensity j^^nges ^'^^ 0^76-90 A«^P^'^ 40-50 60i" Efficient operation of each type and rating of projection arc necessitates a rectifier specifically engineered to its particular requirements. That is why Strong manufoctures o complete line of rectifiers, which includes one for every type of lamp. Strong rectifiers are the only rectifiers on the market which are especially designed, manufactured and tested in one plant, together with and for use with motion picture projection arc tamps. Every Strong rectifier assures smooth output current, long life, low operoting temperature, and flexibility in control. Transformer tops provide adjustment to compensate for supply voltage variotions through a range of 10% above or 10% below the rated A.C. input voltage throughout the output rating range. Fine taps on the primary ore connected to an S-point external manually controlled switch which permits output adjustment while the arc is burning and without the necessity of reconnecting wires. INTERNATIONAL PROJECTIONIST • AUGUST 1954