Motion picture photography (1927)

Record Details:

Title:
Motion picture photography
Date:
1927
Publisher:
New York : Falk Publishing Company, Inc.
Volume:
Motion picture photography
Leaf #:
00035
Language:
English
Subjects:
Motion Pictures, Motion Picture Technology
Collection:
Books
Format:
Books
Contributor:
Media History Digital Library
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Description:
Date Added:
September 21, 2023
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THE NATURE OF LIGHT sun-shine falls through a window or through the foliage of trees, we do not actually see the ray of light — what we see is small particles of dust floating in the atmosphere which show us where the ray of light is passing. The particles of dust reflect to our eye a small portion of the light which comes through the window or between the leaves, as the case may be. In ordinary diffused light, these particles are too small to be seen, but under the strong light of the sun, each particle becomes a tiny luminous point. Fig. 2. This drawing is an attempt at showing figure one in perspective with the purpose of revealing the fact that the curved line of figure one not only extends up and down but in every conceivable direction at right angles to the direction of propagation A. B. For an experiment to prove this, turn the light of a projection machine on in a quiet room, and if the atmosphere has not been disturbed so as to stir up dust, the path of the light will not be visible, but if we stir up a little dust, or blow a puff of smoke in front of the machine, we will see the path of the light spring out so that we can see it distinctly. To return to the vibration of the ether waves back and forth in a ray of light, we see that in the first diagram the waves are represented as traveling like the crests and hollows of waves on