Motion picture projection : an elementary text book (1928)

Record Details:

Title:
Motion picture projection : an elementary text book
Date:
1928
Publisher:
New York : Technical Book Company
Volume:
Motion picture projection : an elementary text book
Leaf #:
000689
Language:
English
Subjects:
Motion Pictures, Motion Picture Technology
Collection:
Books
Format:
Books
Contributor:
Niles Essanay Silent Film Museum
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Description:
Date Added:
September 21, 2023
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MOTION PICTURE PROJECTION 683 the operating handle of the field regulator and both voltmeter and ammeter. The field regulator has capacity to adjust the current from more than the rated output to about one-half. Panel "B," in addition to this, has two single pole quick brake short-circuiting switches mounted in the lower part of the cabinet, the operating handles extending through the cover. These panels and the vertical Transverter are shown in Figures 283 and 285. TRANSVERTER SIZES AND TYPES In order to satisfy those who are unfamiliar with the vertical type machines or are prejudiced in favor of the horizontal type, the Hertner Elec Fig. 285 trie Co. are now offering a complete line of horizontal Transverters, one of them being shown, Fig. 284. These horizontal Transverters are electrically identical with the vertical in design and performance. Double arc Transverters are offered for any commercial size, frequency and voltage in sizes for from 35 to 125 ampere arcs.