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 #:
000252
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 01, 2024
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700 HANDBOOK OF PROJECTION FOR tains full speed, and you are satisfied there is no slippage between the friction disc and driving wheel. Having done this, your tension will be just right, provided, of course, you have followed the instructions carefully, and have set up screw R-32 just sufficient to bring the projector up to full speed, this being done, of course with the film in the machine, or in other words, under actual operating conditions. After the proper adjustment has been obtained, do not forget to tighten up lock nut R-33 tight, or else the adjustment is likely to work loose. INSTRUCTION NO. 5.— Grease cups (two of them) should be kept filled with some good lubricating grease (not oil, but grease), which may be obtained from any automobile supply store. The commutator of the motor may be reached by opening the two latticed cast-iron doors on the upper end of the motor. INSTRUCTION NO. 6.— The motor may be disengaged merely by removing bolts R-6, P-13, and disconnecting its cable. When putting the motor back, be sure and line the P SNO A A LHGE KTl DJC F B USMQ. Figure 251.