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 #:
000439
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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424 80 FLICKER WITH MOVING PICTURES [Cn. XI 00 I Z 3 4 Logarithm of Illumination FIG. 234. THE RELATION BETWEEN THE ILLUMINATION OF THE SCREEN AND THE NUMBER OF FLASHES PER SECOND AT WHICH FLICKER JUST DISAPPEARS. If the flashes are more frequent than indicated by the curve for a given illumination there will be no. nicker, but if less frequent, flicker will be seen. The solid line represents the observation of T. C. Porter and the dotted line represents some rough observations made by the authors.