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 #:
000139
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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124 MAGIC LANTERN WITH PETROLEUM LAMP [Cn. V Light the wicks and turn them up moderately and allow them to burn for five or ten minutes before the exhibition. This is to get the apparatus warmed up. One cannot get the best light from a petroleum lamp instantly, but only after it has become warm. Finally turn up each wick as high as possible without having it smoke. The central wicks can usually be turned higher than the marginal ones. When the wicks are at their full height the chimney, if adjustable, must also be at its full height to give the best draught. After the exhibition is over the lamp-wicks are turned down, the small flames blown out, and then the unused oil poured into a container, the wicks taken out and carefully dried between blotting FIG. 67. NEWTON'S FOUR-WICKED, PETROLEUM LAMP KOR THE MAGIC LANTERN. (From Catalogue No. 4 of Newton £r Co.}. The chimney is in two segments. For the maximum light after the lamp is warmed up, the top segment is added.