F. H. Richardson's bluebook of projection (1942)

Page scan 000250 from F. H. Richardson's bluebook of projection

Record Details:

Title:
F. H. Richardson's bluebook of projection
Date:
1942
Publisher:
New York : Quigley Publishing Company, Inc.
Volume:
F. H. Richardson's bluebook of projection
Leaf #:
000250
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
Date Added:
May 02, 2025
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234 RICHAIWSON'S BUJEBOOK OF PROJECTION at C will sec this object in its normal width, but an observer at D will not. He will instead see it as of B-G width. This effect is present in varying degree from any viewing angle, but is only objectionably noticeable when the viewing angle becomes sharp. Figure 113 (33) No screen surface can remedy this condition. Reducing the viewing angle is the only remedy. When there are viewing angles such as shown in Fig. 113 exhibitors should install a screen of high diffusion power. As a matter of fact such angles should not exist in any motion picture theatre. (34) According to Table No. 3 on page 229, the only screen for the theatre layout previously mentioned would be E. We need a surface approximating E in diffusion power, with the highest reflection power possible. Screen Mounting (35) The best screen mount is a strong frame with metal hooks, metal eyelets, and a rope lacing. It keeps