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168 RICHARDSON'S BLUEBOOK OF PROJECTION
Cause of Damage to Films, page 175
26. Name the principal causes of damage to film.
27. How may such damage be avoided by the exchange in cooperation with the projectionist? -^jj^uit' -^^^
28. For what reasons do mismatched sprocket holes inflict damage upon films?
Splicing Film, page 179
29. Is a poorly made splice likely to cause damage to film?
30. Upon what does a perfect film splice depend?
31. Name the things necessary to make a good splice.
32. What will happen to film cement if it is exposed to the air?
33. How should cement be applied?
34. What is vitally necessary in making a splice of maximum strenth ?
35. Is heavy, evenly applied pressure essential in making a splice and for how long must pressure be exerted?
36. What will be the result if too little or an uneven pressure is applied ?
37. Can a proper splice be made without the aid of a splicer?
38. Does dry scraping of the stub end in making splices produce reliable results?
Storing Films in Theatre Projection Rooms, page 183
39. Should other things beside fire hazard be considered in storing film?
40. To keep film pliable must it be stored in a humid atmosphere ?
41. What operates to drive moisture out of film quickly?
42. How can the moisture content be restored?
43. Are water tanks filled by hand efficient?
44. Describe the nature of an efficient film storage cabinet.
Handling Film, page 185 ^^^
45. What is the first duty of the projectionist as soon as his film arrives?