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 #:
00037
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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22 MAGIC LANTERN WITH DIRECT CURRENT ICn 1 FIG. 5. GLOVES WITH ASBESTOS PATCHES, PALM SIDE UP. Left glove, p. i. m. The pollex or thumb (/>), the index or fore finger (i), and the medius or middle ringer (m), have the patches on the palmar surface and sides. c Carbon held pincer-like between the index and medius. Right glove. The asbestos patches are as in the left. Above the corresponding digits (i, 2, 3) are patterns of suitable patches drawn to the same scale as the gloves. With the hands protected by such gloves, one can grasp the hot carbons within two or three centimeters (i in.) of the hot tips with entire safety. The asbestos being a non-conductor of electricity as well as of heat, makes it safe also to work about the lantern when the current is on (§ 2ya). § 27a. Old leather gloves answer very well if one does not wish to sacrifice a new pair. New cloth gloves with gauntlets can be had for 20 cents. These answer fairly, but are not so good as the leather gloves, and there is no danger of the leather gloves being motheaten or catching fire. It is easier to sew the patches on the cloth gloves, however. Asbestos mittens are to be had of dealers in chemicals and chemical apparatus. They are of asbestos cloth but are so thick and clumsy that they are not adapted for working about the lantern.