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MANAGERS AND PROJECTIONISTS
Examining Boards
Should examining boards be composed, wholly or in part, of men possessed of at least a fair knowledge of practical motion picture projection ? 481
What should be the composition of a projectionist examining board ? 482
Does the fact that a man may occupy high official position give any evidence that he is fit to be on an examining board ? 481
What should be the general points covered by an examination ? 482
License Law
Give a rough draft of a competent license law 483
Light Action
(Also see "Optical Terms")
1. What is meant by "Absorption of Light"? 19
2. What is meant by "Actinic Ray" ? 19
3. What is meant by "Angle of Incidence"?
Fig. 65, page 222
4. What is meant by the "Angle of Reflection"?... 222
5. What is meant by the "Angle of Projection"?... 20
6. What is a "Candle Foot," or "Foot Candle"?.... 23
7. What is meant by "Standard Candle" ? 23
8. What is a "Candle Meter" ? 23
9. Quote the law relating to light intensity at different distances from an open light source and explain its operation 125, 161
10. Upon what is the law of light intensity, as per question No. 9, based ? 161
11. What is the "Critical Angle"? 26
Lighting
Projection Room — (See "Projection Room") Chromatic Aberration
What is "Chromatic Aberration" and what is its effect? 130
What is meant by "Diverging Rays" or "Diverging Beam" ? 26
What is meant by "Diffusion of Light"? 27,222
What is meant by "Refraction of Light" ? 127
What elements control the amount of bending light rays receive in passing from air to glass, or vice versa ? 127, 128
For all practical purposes what may the projectionist assume the amount of refraction light rays will receive in passing through a lens will depend? 129
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