Optic projection : principles, installation and use of the magic lantern, projection microscope, reflecting lantern, moving picture machine, fully illustrated with plates and with over 400 text-figures (1914)

Record Details:

Title:
Optic projection : principles, installation and use of the magic lantern, projection microscope, reflecting lantern, moving picture machine, fully illustrated with plates and with over 400 text-figures
Date:
1914
Author:
Gage, Simon Henry, 1851-1946
Publisher:
Ithaca, N.Y. : Comstock Publishing Co.
Volume:
Optic projection : principles, installation and use of the magic lantern, projection microscope, reflecting lantern, moving picture machine, fully illustrated with plates and with over 400 text-figures
Leaf #:
00086
Language:
English
Format:
Books
Contributor:
Gerstein - University of Toronto
Sponsor:
MSN
Coordinator:
Media History Digital Library
Description:
Bibliography: p. 693-703
Date Added:
July 19, 2022
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CH. II] ALTERNATING AND DIRECT CURRENT LANTERNS 71 more disagreeable than from a direct current supply of the same voltage. FIG. 40. MAGIC LANTERN SHOWING THE WIRING AND THE RELATION OF THE PARTS. Supply Wires Wires from the electric supply to the outlet box. Outlet box The iron box receiving the supply wires and containing fuses of the cartridge form, a double-pole knife switch and the wires extending to the wall receptacle. P W R Polarized wall receptacle from which is taken the current to supply the arc lamp of the magic lantern. As this receptacle is polarized the cap can be put on but one way, and hence the polarity will always be the same if the current is direct. With alternating current this form of connection is also good. Arc Supply The wires extending from the wall receptacle to the table switch and the arc lamp. Switch The double-pole, knife switch on the lantern table. Wf The wire extending from the switch to the upper carbon. W2 W3 Wire from the table switch through the rheostat to the lower carbon. Arc Lamp Hand-feed, right-angle carbon arc lamp. F S Feeding screws for the carbons. V A Fine adjustment for moving the source of light vertically. L A Fine adjustment for moving the source of light laterally. in in Insulation between the carbon holder and the rest of the arc lamp so that the current will keep to the carbons instead of short circuiting through the lamp. 5 5 Set screws for holding the carbons in place, etc. Lamp-House The metal box enclosing the arc lamp. The feeding and fine adjustment screws project through the back end of the lamp-house. V Ventilator of the lamp-house. Condenser The three-lens condenser. Water Cell The vessel of water in the path of the beam.