Richardson's handbook of projection (1927)

Record Details:

Title:
Richardson's handbook of projection
Date:
1927
Publisher:
New York : Chalmers Publishing Company
Volume:
Richardson's handbook of projection
Leaf #:
000115
Language:
English
Subjects:
Motion Pictures, Motion Picture Technology
Collection:
Books
Format:
Books
Contributor:
Media History Digital Library
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Description:
Date Added:
August 01, 2024
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MANAGERS AND PROJECTIONISTS 565 necessary to use the extra starting coils, or the starting resistance or the reactance. In this case the wiring incident to the starting features of the single phase motor is omitted. TWO ARC, TWIN TYPE REXOLUX.— The twin type applies to all of those equipments wherein two separate motor generators are used for two projection arcs. Each motor generator is continuously operated independently of the other. Each motor generator is connected to its own projector. Wherever it is desirable to secure double the capacity of VoLT-AstS F/£ld??heo.£ Ft£LD7?H£O.B VoltAm. i. fi\f?AlL£L&H. Plate 6, Figure 182. one machine, the two motor generators can be operated in parallel by closing the paralleling switch. In case one of the motor generators for any reason is out of commission, the two projectors can be temporarily handled by the remaining machine by stealing the arc from one to the other during the change over. By means of these two independent units, one reel can be perfectly dissolved into the other without in any way affecting the picture on the screen. In the operation of the twin type there are no switches on the control panel which need to be opened or closed during the change