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 #:
000123
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:
July 18, 2024
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MANAGERS AND PROJECTIONISTS 573 They are accurate and are connected in the secondary, or D. C. side, hence show the voltage and amperage at the arc unless there is considerable drop between the rectifier and projector arc. They should always be ordered when a rectifier is purchased. The better practice is that they be mounted on Figure 186. General Electric Mercury Arc Rectifier the wall in front of the projectionist, rather than on the rectifier, which latter, probably, will not be placed directly under the projectionist's eye. These instruments may be removed from the rectifier and so mounted if desired. FUSES. — Fuses of greater capacity than those furnished with the rectifier should never be used. For a 30 ampere