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 #:
000503
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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488 DYNAMO FOR ARC LAMPS [Cn. XIII FIG. 257. SHUNT GENERATOR CONNECTED DIRECTLY TO THE ARC LAMP WITHOUT INTERVENING RESISTANCE. N S Poles of field magnet. A Armature rotating between the poles of the field magnet. a and b Terminals of the Dynamo. F Field coil; current through this coil magnetizes the iron of the field magnets. R Adjustable field rheostat controlling the current flowing through the field coil. L Arc lamp. + and — indicating the polarity of the wires connected to the arc. This will maintain a uniform current in the arc regardless of its length in case the dynamo is properly designed and proportioned for the purpose.