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THE FILM
Practical Questions
(For answer to each question see statement of corresponding number in Chapter XI)
1. What two different kinds of 35 mm. film are there?
2. What is the width of film in inches?
3. What are its other dimensions?
4. Describe, in general, the process of manufacture.
5. What are the photographs impressed thereon?
6. What are the dimensions of a film "frame" ?
7. Exactly what length of film is occupied by each frame?
8. What are the present approved dimensions of the motion picture projector aperture ? m
9. Upon which side of the projector aperture is the sound track located ?
10. Is the picture over the projector aperture upside down?
1 1 . How wide is the sound track ?
12. What two different methods of sound impression are used?
13. Which is the R.C.A. method and which the Western Electric ?
14. Is the sound impressed on the film simultaneously with the picture ?
15. Is the sound impression on the film always in perfect synchronization with motion ?
16. By whom is the film perforating usually done?
17. How many perforations are there to each frame?
18. How many frames are there to each foot of film?
19. How many perforations are there to each foot of film?
20. Has the projectionist important rights with respect to the
film?
21. What are the obligations of a film exchange?
22. Does the exchange hold itself responsible for sending theatres clean and safe film?
23. Are projectionists responsible for accidents resulting from bad film sent by the exchange ?
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