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 #:
00033
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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MANAGERS AND PROJECTIONISTS What is the critical frequency of the motor control tuned circuit ? 1 132 Why will the driving motor pick up speed in the usual manner ? 1 132 What kind of motor is the driving motor? 1132 Wrhen is the speed of a D. C. motor increased or decreased ? 1132 RCA Photophone Pick-Up Name the various elements of the RCA Photophone pick-up 1 137 In what are the pick-up elements contained? 1137 Describe the exciting lamp compartment and tell what it contains 1137 How many spare exciting lamps may be mounted ready for use ? . . : 1137 How are different exciting lamps brought into position for use ? . 1 137 How is electric contact provided for each lamp?.... 1137 Will the RCA exciting lamp filament always be "square" with the slit? 1138 Describe the RCA exciting lamp 1138 What will be the effect of a sagged or warped exciting lamp filament ? 1 138 ' What should be done as soon as an exciting lamp filament begins to sag? 1140 How often should the outer surface of the exciting lamp be cleaned ? 1 140 What will be the effect of a dirty exciting lamp?... 1140 What is the reason for the darkening of the interior surface of an exciting lamp globe? 1140 Wliat should be done with an exciting lamp when its globe begins to darken ? 1 140 Locating Lamp Tell us how to locate an exciting lamp 1141 Tell us why the exciting lamp filament will always be square with the slit 1141 •The Optical System Describe the exciting lamp optical system 1142 What are the dimensions of the light beam when it reaches the film ? 1 142 What is the exact width of the RCA sound track?. . 1144 How much does the light beam overlap the sound track on the film? 1144 What will happen if the exciting lamp light beam be out of position ? 1 144 xxix