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 #:
000109
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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94 MAGIC LANTERN WITH NERNST LIGHT [On. Ill with the lamp at one end, and a separable plug at the other (fig. 49 A). The plug is of standard size and can be screwed into the socket or receptacle of any incandescent lamp. To light the lamp turn the key switch of the socket as for an incandescent lamp, and in a minute or longer the glower or glowers will attain their full brilliancy, and one can use the lamp as long as desired without further attention. FIG. 55. NERXST LAMP OR SCHWANN-LIGHT. (Cut loaned by the Chas. Beslcr Co.}. If one uses a three or four glower lamp drawing about four amperes of current there might be a short circuit in the incandescent lamp socket if the snap switch were turned off slowly. If that is used, turn it as quickly as possible (see § 133). Pulling the separable attachment plug apart will avoid all danger (§ 133). § 144. Nernst lamp and direct current. — If one has a direct current lighting system, then the Nernst lam]) must be adapted to that, and must be connected properly as with the direct current arc lam]). The two connections with the lam]) are marked, plus (-{-) and minus ( — ); or positive (P) and negative (N); and the corre