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282 HANDBOOK OF PROJECTION FOR
their projectionists to use them. (See Projection Room Reels, page 322.)
In considering this recommendation exhibitors should remember that all damage to film which tends to shorten its useful life must inevitably come back to the exhibitor in the form of increased film rental, hence the less damage done to the films while in their theatre the less will be the general overhead expense to be charged back in this way.
SIZE OF REELS.— The present trend is to use 2,000 foot reels in the process of projection, though for the most part film is still shipped on 1,000 foot reels. In considering whether it is the better practice in projection to use 1,000, 2,000 or 3,000 foot reels, we must take into consideration the fact that it sometimes is better to go around a stone wall than to climb it or try to push it over with your hands. The 1,000 foot reel offers a somewhat less liability to damage in the process of rewinding and handling, and a less possibility of fire loss in case of fire at the projector, but the fact remains that in the majority of large modern theatres 2,000 foot reels are used in projection. That is the condition, and we may as well make the best of it. We do not mean to infer by this, however, that there is any very serious objection to a 2,000 foot reel, since with modern projectors fires are of rare occurrence, and as a general rule the 2,000 foot reel (not film, but the reel itself) is kept in better condition than is its smaller brother, so that perhaps the added tendency to damage in rewinding with small reels in poor condition is thus counterbalanced. There is, it seems to us, no real need for a 3,000 foot reel, and there are very serious objections to its general use.
But whatever the capacity of the reel, one thing is important, viz. : Its sides should always extend over the film roll by at least % and preferably y2 an inch, because in this way the whole film roll will be protected by the metal sides of the reel. The overloading of reels has been a source of much annoyance to projectionists and great damage to film, though this particular evil is not so much practiced of late. Even film exchanges are apparently slowly learning to exercise a little horse sense, in some directions at least, in the care of their property. The evil of the overloaded reel is three-fold, (a) That portion of the film outside, or above the sides of the reel, is absolutely unprotected, hence liable to injury in many ways other than the likelihood of its slipping off, to the exasperation of the projectionist and the