Motion picture projection : an elementary text book (1928)

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8 MOTION PICTURE PROJECTION sider that to fill this role of expert one would have to be (a) An expert electrician. (b) An expert optician. (c) An expert mechanic. (d) An expert in photography, besides having a good working knowledge of at least half a dozen other branches of sciences that are allied with the Motion Picture industry, one must admit it would be a hard role to fill. We know of several men who are rightly termed experts in their own particular branch of the industry, but we know of no one who can claim to be an expert in all its branches. True, we know of at least one writer on the subject of projection who modestly admits he knows more about electrical appliances than the men who design and build them, more about the subject of optics than the men who made a life study of it, more about the Motion Picture machine than the builders of the projector themselves, and so on infinitum. For such a person we have only pity. We have men in the industry who are daily applying themselves to their own particular branch, we have opticians who are doing nothing else but making a study of the optical system of the Motion Picture Projector, electrical engineers who are making an exclusive study of the merits of the various electrical appliances and devices used in Motion Picture work, mechanical engineers who are devoting their whole time to a study for the betterment of the Motion Picture Projector and accessories.