Practical cinematography and its applications (1913)

Page scan 000141 from Practical cinematography and its applications

Record Details:

Title:
Practical cinematography and its applications
Date:
1913
Publisher:
Philadelphia, Lippincott
Volume:
Practical cinematography and its applications
Leaf #:
000141
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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102 PRACTICAL CINEMATOGRAPHY spokes and rim will be seen to be moving harmoniously in the forward and correct direction. Accordingly natural movement of the FIG. 7.—When the spokes move slightly more (AC) or slightly less (AD) than half the angle (AB) between them, during the eclipse of the lens, the curious illusion of seeing twice the number of spokes in the wheel is produced. wheel only can be shown when the spokes of the wheel, irrespective of their number, move a distance equal to more than the angle between them. In the course of elucidating this problem