Cine-film projection : a practical manual for users of all types of 16-mm. (1952)

Record Details:

Title:
Cine-film projection : a practical manual for users of all types of 16-mm.
Date:
1952
Publisher:
London : The Fountain Press
Volume:
Cine-film projection : a practical manual for users of all types of 16-mm.
Leaf #:
00037
Language:
English
Collection:
Books
Format:
Books
Contributor:
Niles Essanay Silent Film Museum
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Description:
Date Added:
March 21, 2024
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TOP LOOP /^ -FEED SPROCKET fW? TOP LOOP 1NTERMITTEN1 SPR.OCKET M ®7k5 RST TAKE-UP VFEED SPROCKET CLAW MOVEMENT „Jt cKv" SPROCKET >TTO«Vt \0)C BOTTOM LOOP Nr^\ ^ FIRST TAKE-UP /oa 5Pkocket BOTTOM \ LOOP Fig. 5 THE BOTTOM LOOP The Still-Picture Device and Heat Filters This device allows the film to remain in the gate for the study of a single frame showing on the screen; and, in order to prevent the film burning or buckling from the heat, a heat filter is incorporated with the device, which automatically drops into position behind the film. In some machines the still-device is operated by using a clutch, which disconnects the motor drive from the projector mechanism. The heat-filter, being made of glass or perforated metal, usually decreases the screen illumination, and the still-device should not be used in a light-filled hall. Should no picture appear on the screen when using the stilldevice it will be because a shutter blade is obscuring the light, and this may then be corrected by turning the motor over by hand by means of the inching knob. The Feed and Take-up Most projectors have a braking device within the head of the feed spool-arm, and if a wire belt is also fitted, care must be taken not to project with the belt crossed (unless it is meant to be) as this may cause the braking device to tighten and thereby damage the film. C 33