Richardson's handbook of projection (1927)

Record Details:

Title:
Richardson's handbook of projection
Date:
1927
Publisher:
New York : Chalmers Publishing Company
Volume:
Richardson's handbook of projection
Leaf #:
000274
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:
July 18, 2024
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720 HANDBOOK OF PROJECTION FOR INSTRUCTION NO. 25.— TO REMOVE AND REPLACE SPRING MOUNTED ON FRAMING SLIDE LEVER L-104-G, P.3. — See Intructions Nos. 13 and 17. INSTRUCTION NO. 26— TO ADJUST FRAMING TENSION. — If the framing handle shows tendency to work up or "creep," there is not sufficient tension. If the framing handle works unduly hard cr sticks, the probable trouble is too much tension. Proceed as follows : Remove screw S-209-G, P.3, and pull the large gear it holds off its spindle. Just to the right of and below the spindle you will see a stud on the Plate 6, Figure 260. end of which is two hexagons nuts. Behind these nuts is the coil spring which provides tensions for the framing device. Loosen the outer nut, which is merely a lock nut, and tighten ori loosen the inside nut until the framing handle works to suit you, after which tighten lock nut again. The nuts are on stud P-196-A, P.4, and the spring is numbered S-341-G, P.l. NOTE. — The Projectionist should be sure that there is no lost motion in the framing cam. If lost motion is present adjust. INSTRUCTION NO. 27^-TO REMOVE FRAMER TENSION SPRING S-341-G, P.l^-First follow Instruction No. 26, only instead of merely loosening the nuts, remove them entirely and pull the spring off. CAUTION. — In reassembling be sure and place washer at either end of spring.