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 #:
000116
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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98 RICHARDSON'S BLUEBOOK OF PROJECTION / 116. What is the function of the second element of the projector optical train? _ M^aeJ 117. What is the first point of efficiency to be considered? t-4-^ 118. What is the effect of increased distance of the light source\ to the collector ? ^/ t . t 119. What limitations govern the distance of the light source to the collector? 120. What difficulty does the thin-edge, thick-center collector lens set up when working with a high-power electric arc? 121. What is one effect of a heavy arc tail-flame? 122. How may the collector be guarded from some portion of the tail flame heat ? *jj£q*r/i *y>^d,o 123. What should the focal length of a plano-convex condenser collector lens always be ? Lense Pitting, page 130 124. How are collector lens pitted and is there any practical way of preventing it? ^ The Collector, page 131 125. What should be the focal length of the collector of a planoconvex condenser ? / , 126. What should be the focal length of a converger? 127. Why should convex surfaces be placed next to each other \ in plano-convex condensers? r • / Spacing Condenser Lenses, page 131 128. Why should condenser lenses be as close together as possible without actual contact? 129. Does the collector of a plano-convex condenser send forward a parallel beam of light? <s<»?yi The Converging Lens, page 131 130. Upon what is the spot diameter dependent? 131. How should the projectionist select his condenser?