Richardson's handbook of projection (1930)

Record Details:

Title:
Richardson's handbook of projection
Date:
1930
Publisher:
New York : Chalmers Publishing Company
Volume:
Richardson's handbook of projection
Leaf #:
000344
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:
March 28, 2024
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1268 HANDBOOK OF PROJECTION FOR holding clamp, pull the lens barrel out, insert another, shove it back into proper position, retighten screws F and J and the job is complete. ORDERING LENSES FOR SUPER SIMPLEX.— In case you order Super Simplex mechanism to replace Simplex of the old type, always give both make and focal length of your lenses. This will enable the inclusion of the right lens adapters in the shipment. If the installation is for a new theatre, the make of lens, the exact width of the picture and projection distance, must be included with the order, so that lens adapters may be included which will fit the lens to the Super Simplex mounts. NOTE. — Where lens changes will be necessary during the progress of the show, it is essential to quick work that the front end of the lens barrel be located ten and one-half (10^) inches from the projector aperture. If lenses for the Super are ordered, this will be taken care of, when necessary, by means of an adapter collar attached to the forward end of the lens barrel. If, however, you are to use your old lenses on a Super Simplex, then when ordering the projectors, advise as to both make and focal length of lenses, so that proper adapters may, if necessary, be included in the shipment, and annoyance thus avoided. When examining the chart and drawings which follow, do not feel discouraged. The thing is not nearly so complicated as it seems at first glance. It will soon seem simple enough if you sit down and really study the drawings and charts. In Figs. 451 and 452 are listed the various parts required to fit any focal length of any make of lens to the focusing mount.