Servicing projection equipment (1932)

Page scan 000116 from Servicing projection equipment

Record Details:

Title:
Servicing projection equipment
Date:
1932
Publisher:
New York : Mancall Publishing Corp.
Volume:
Servicing projection equipment
Leaf #:
000116
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:
August 15, 2024
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100 FLICKER FLICKER 1, Flicker Shows When New Screen Has Been Installed (a) — The new, cleaner surface has increased the screen brilliancy so that the light interruption is now noticeable. This nicker, although it was not noticeable with a lesser illumination, will now become pronounced. Decreasing the size of the picture will decrease the tendency of the flicker to become pronounced under changed conditions, and an adjustment of the shutter, or a readjustment of the shutter blade width, will remove the trouble. (b) — When a new screen is employed and the flicker becomes extremely pronounced, it is due to the following: — since the relation of the speed of the intermittent movement, which actuates the film travel, bears a definite relation to the width of the shutter blade permissible at given speeds, notice if the intermittent and the shutter blade width are at fault due to a sluggish movement of the intermittent or a slight excess of width of the master blade of the shutter. The increase of brilliancy of the new surface makes the alternation of light and dark