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Projection engineering (Jan-Dec 1931)

Page scan 000287 from Projection engineering

Record Details:

Title:
Projection engineering
Date:
Jan-Dec 1931
Publisher:
New York : Bryan Davis Publishing Co., Inc.
Volume:
Projection engineering (Jan-Dec 1931)
Leaf #:
000287
Language:
English
Collection:
Technical Journals
Format:
Periodicals
Contributor:
Library of Congress, MBRS, Moving Image Section
Sponsor:
Library of Congress, Motion Picture, Broadcasting and Recorded Sound Division
Coordinator:
Media History Digital Library
Date Added:
July 04, 2024
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OCTOBER, 193 Page 27 HOFFMANN-SOONS say • • Xfcere So *« THE ONLY UNION MADE RHEOSTAT latitat ^ g claims is one thing— Making good is another! Projectionists and theatre owners who have installed Perfection Rheostats KNOW our guarantee means the best results — clearer pictures — longer life. Now equipped with solderless, adjustable lugs to take wire sizes from No. 4 to 4/0 without any additional cost. SOLD BY ALL BRANCHES OF THE NATIONAL THEATRE SUPPLY CO., SAM KAPLAN, NEW YORK, AND BY YOUR DEALER. HOFFMANN-SOONS Electrical and Engineering Corp., 387 First Avenue, New York City PERFECTION RHEOSTATS <& You are cordially invited! VISIT PROJECTION ENGINEERING'S BOOTH at the ROCHESTER FALL MEETING, Institute o£ Radio Engineers November 9th -10th, 1931 Rochester, New York TEN INTERESTING AND TIMELY TECHNICAL PAPERS BY OUTSTANDING ENGINEERS ARE SURE TO MAKE RADIO HISTORY Projection Engineering will be represented by members o£ its Editorial staff.