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Servicing projection equipment (1932)

Page scan 00049 from Servicing projection equipment

Record Details:

Title:
Servicing projection equipment
Date:
1932
Publisher:
New York : Mancall Publishing Corp.
Volume:
Servicing projection equipment
Leaf #:
00049
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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HIGH INTENSITY LAMP 33 (d) — The clamp may not be gripping the carbon tightly enough to overcome the friction of the other contacts, or the clamp locking piece may be bent. If it is bent, it should be removed and hammered straight. 6. Powers H. I. and New Type G-E (a) — Same as General Electric H.I. Look under High Intensity Lamp, Section 5. 7. Ashcraft Automatic (a) — The carbon is fed by two grooved rollers the edges of which grip the carbon and draw it forward at the period when the rotating mechanism is not rotating it. It is alternately moved forward and turned. If the carbon does not feed, it is due either to the fact that the tension shoes are gripping so tight that the rollers cannot overcome the friction and therefore, should be adjusted; or the rollers themselves do not grip sufficiently and should be adjusted. (b) — The screw of the feed roller connection is too loose or the spring tension is too tight. These should be examined and corrected. 8. All Types (a) — When the carbon fails to feed it may be due to the fact that the hole in the heat shield has