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 #:
000161
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:
August 01, 2024
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SCREENS 143 37. Do all screen surfaces except glass undergo chemical changes ? 38. Should a guarantee accompany each new screen, covering the feasability and cost of recoating its surface? Perforations, page 15<> 39. Approximately how many perforations are there to each square foot of an average perforated screen? _ 40. How much reflection Mir face and picture detail is eliminated f£^* by perforation? , 41. Is there any valid reason for the use of perforated .screens? 3 How to Obtain Viewing Angles, page 157 -42. How may viewing angles be calculated? Perforated vs. Solid Screens, pace 15S 43. Name the admitted objections to perforated screens. 44. What objections are there to too much or too little distance from seats to screen? ^)^ 45. What should be the minimum distance from front -cat to the screen ? ^or 46. How high should the picture be above the floor? Picture Size and Light Demand, page 160 47. What point is immediately involved when the size <>| the picture is under consideration? 48. What effect has picture size on illumination? 49. What effect has picture size upon magnification? 50. How may magnification he calculated? 51. What effect has bigger picture sizes upon visibility p! d fects in photography? 52. What relation is there between the size ut" the picture and the brilliancy of illumination? >;*W-' 53. What relation is there between the size of the picture and its surroundings?