Practical cinematography and its applications (1913)

Record Details:

Title:
Practical cinematography and its applications
Date:
1913
Publisher:
Philadelphia, Lippincott
Volume:
Practical cinematography and its applications
Leaf #:
000136
Language:
English
Collection:
Books
Format:
Books
Contributor:
Gerstein - University of Toronto
Sponsor:
MSN
Coordinator:
Media History Digital Library
Description:
14
Date Added:
July 19, 2022
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ABERRATIONS OF PHOTOGRAPHY 97 Consequently when the second exposure is made spoke i has moved 90 degrees, which is the angle between each spoke. Accordingly it now occupies exactly the same position as that of spoke 2 at the time of the first exposure. Spoke 2 has moved to the position formerly occupied by o FIG. 3. — The first picture of the four-spoke wheel. spoke 3 Spoke 3 has travelled sufficiently to to take the place of spoke 4, while 4 has gone to that of i (Fig. 4). If four exposures are made, and the spokes move 90 degrees each time the lens is closed, when the four pictures are thrown successively upon the screen they will look exactly alike. The spokes will appear to be quite p.c. H