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 #:
000246
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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694 HANDBOOK OF PROJECTION FOR end of the film movement cycle. Roller No. 1 has almost reached the highest point of the cam diamond, roller No. 2 has started to enter the slot F, roller No. 3 is describing an arc in the space between the ends of the locking ring and Figure 245. roller No. 4 is emerging from the slot G. As roller No. 1 passes over the point of the diamond roller No. 4 engages with the curved surface H at the end of the locking ring and the roller is thrown forward and downward until it slides on to the outer surface of the locking ring. Figure D represents the position of the intermittent parts after the film is about to be brought to rest. Roller No. 4 has just reached the outer surface of the locking ring and the four rollers are immediately locked as the locking ring enters the space between them.