Motion picture handbook; a guide for managers and operators of motion picture theatres ([c1916])

Record Details:

Title:
Motion picture handbook; a guide for managers and operators of motion picture theatres
Date:
[c1916]
Publisher:
New York City, The Moving Picture World
Volume:
Motion picture handbook; a guide for managers and operators of motion picture theatres
Leaf #:
000383
Language:
English
Collection:
Books
Format:
Books
Contributor:
University of California Libraries
Sponsor:
MSN
Coordinator:
Media History Digital Library
Description:
Date Added:
July 19, 2022
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364 MOTION PICTURE HANDBOOK winding. It is connected into the arc lamp circuit precisely the same as you would connect a rheostat. See B, Fig. 142, in which just substitute a Freddy coil for rheostat C. It is advisable to use (manufacturer's recommendation) wire not smaller than No. 6, and fuses not smaller than 75 amperes. There is no reason for placing fuses on the lamp side of the Freddy Economy Coil, as is advisable with the transformer, since the amperage is the same on both sides of the Freddy device. Never attach the economizer to a metal lined wall unless you first remove the metal or place a marble or other insulating or Flate 2, Figure 175. non-metallic material of substantial thickness between the economizer and the metal. If the device be attached to a metal lined wall or set on a metal lined floor there will be a vibration set up in the metal, which will cause a more or less loud buzzing sound. The manufacturer recommends that fairly hard cored carbons be used in connection with this device, both top and bottom. The tap connection giving the highest amperage is the one opposite the tube connector.