Optic projection : principles, installation and use of the magic lantern, projection microscope, reflecting lantern, moving picture machine (1914)

Record Details:

Title:
Optic projection : principles, installation and use of the magic lantern, projection microscope, reflecting lantern, moving picture machine
Date:
1914
Author:
Gage, Simon Henry, 1851-1944
Publisher:
Ithaca, N.Y. : Comstock Publishing Company
Volume:
Optic projection : principles, installation and use of the magic lantern, projection microscope, reflecting lantern, moving picture machine
Leaf #:
00030
Language:
English
Subjects:
Lantern projection, Motion picture projection
Format:
Books
Contributor:
University of California Libraries
Sponsor:
MSN
Coordinator:
Media History Digital Library
Description:
Bibliography: p. 693-703
Date Added:
July 19, 2022
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CH. I] MAGIC LANTERN WITH DIRECT CURRENT 15 FIG. 3. ARC LAMP FOR PROJECTION, WITH WIRING, SWITCHES AND FUSES Supply Wires The conductors from the supply to the outlet box. Outlet Box. An iron box receiving the supply wires at one end and giving exit to them from the other. Fuses & Switch Two cartridge fuses in the circuit and a double-pole knife switch beyond the fuses. The fuses are present to avoid accident in case of a short circuit and the switch to turn the current on or off as desired. P W R Polarized wall receptacle. This is composed of two parts as shown, the part on the wall to receive the supply wires from the outlet box, and the cap to connect with the table switch. The metal connections of the cap with the receptacle are in planes at right angles so that the cap can be put in place only in one .way, hence the polarity is always the same. Arc Supply The wires connecting the cap of the wall receptacle and the table switch. Switch The double-pole, knife switch for turning the current on and off the arc lamp. Wi The wire extending from the switch to the upper carbon of the arc lamp. W2 W3 lamp. The wire extending from the switch to the rheostat. The wire extending from the rheostat to the lower carbon of the arc