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MANAGERS AND PROJECTIONISTS 965
the advent of synchronized sound will result in the demand for far more careful work in projection. Certainly it sounds the doom of the "machine operator/' because by no stretch of imagination is it possible to regard synchronized sound projection as being merely the matter of "operating a machine. " Rather it is the handling of complicated, highly sensitive equipment, and the reproduction of life-like effects in both pictures and sound projection upon theatre screens. It seems but reasonable to presume it will literally demand the projectionist to treat projection as in the nature of a profession, and to study its technique.
BASIC PRINCIPLES.— As has been intimated, in order to efficiently handle any sort of equipment, it is vitally necessary that the underlying principles upon which it depends for its action be clearly understood. This statement or fact applies especially with force to sound reproducing and projection equipment. If, for example, we do not understand in what manner an amplifying tube functions, then its action is to us a dense mystery, and we are more or less afraid of it. We do not undestand its action and only know that in some mysterious way it increases the volume of sound.
No man can work understandingly and efficiently with anything he does not understand. The more thoroughly a man who must work with and handle any piece of apparatus understands it in all its parts, including the basic principles upon which it depends for its action, the better he can work with it, and the better the general results he will get from it. As well dispute the fact that the sun rises in the east as to dispute that statement.