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 #:
000167
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 616 suitable holes and fastening box 6, Plate I, to the projector table switch casing, somewhat after the fashion shown in Plate IV, by means of suitable bolts, after which a 13/16 of an inch hole must be drilled in the projector table switch box cover to receive the BX of circuit 7, Plate I. The only electrical connection necessary is to attach terminals 9 of circuit 7, Plate I, to the terminals of the projector table switch at the end of the switch which will be dead when the switch is open. If you attach it to the other end of the switch, the motor of the arc control will be subject to high Plate V, Figure 215. voltage, high enough to cause the carbon feeding mechanism to operate, unless switch 5, Plate I, be open. See "Caution," page 569 Do not attach the controller anywhere else except to the binding posts of the projector table switch which will be "dead" when the switch is open. LUBRICATION.— The well formed by gear casing B, Plate I, shown with cover removed in Plate III, should be kept filled to the top of oil gauge 14, Plate I, using a good grade of dynamo oil. The oil is put in by removing thumb screw 19, Plate I, and the filling is continued until the oil reaches the top of oil gauge 14, Plate I. One filling of good lubricant