F. H. Richardson's bluebook of projection (1935)

Record Details:

Title:
F. H. Richardson's bluebook of projection
Date:
1935
Publisher:
New York : Quigley Publishing Company, Inc.
Volume:
F. H. Richardson's bluebook of projection
Leaf #:
000261
Language:
English
Subjects:
Motion Pictures, Motion Picture Technology
Collection:
Books
Format:
Books
Contributor:
Media History Digital Library
Sponsor:
{"Media History Digital Library","Jeff Joseph"}
Coordinator:
Media History Digital Library
Description:
Date Added:
June 04, 2024
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THE PROJECTION ROOM 243 Projection Room Ceiling, page 249 16. Should exhibitors give careful consideration to ceiling construction ? 17. What is a satisfactory substitute for a ceiling? Protection Room Floor, page 250 18. Describe method of building a concrete floor. 19. How thick should the concrete underlay be? 20. Should a cement floor that is to be used without covering or treatment* be of high grade cement? 21. Is it good practice to use a raw, uncovered, untreated cement floor? 22. What is the best cement floor covering? 23. What should be done if battleship linoleum or its equivalent is not used? Dimension of Room, page 250 24. How high should the ceiling be? 25. What should be the length of the projection room? 26. What should be the depth from front or rear wall ? Spacing the Projectors, page 251 27. Name a good rule to follow in spacing projectors. Lens and Observation Ports, page 251 28. How large a wall opening should be left for lens ports? 29. May openings (ports), other than those used for observation be reduced in area ? , 30. What is the governing, factor in the size of observation ports ? 31. Do observation ports less than twelve (12) inches square offer any elements of safety? 32. What should the size of observation ports be ?