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MOTION PICTURE NOMENCLATURE
ADOPTED IN COMMITTEE OF THE WHOLE SOCIETY
cine — A prefix used in description of the motion picture art or apparatus.
condensers — In an optical projection mechanism, the lens combination which gathers the diverging rays of the luminant and converges them into the objective.
douser — The manually operated door in the projecting machine v^hich intercepts the light before it reaches the film.
frame (noun) — A single picture of the series of a motion picture film.
frame (verb) — The adjustment of the relative position between the aperture and the pictures on the film to bring them into register with each other.
intermittent sprocket — The sprocket (in motion picture apparatus) which engages the film to give it intermittent movement at the light aperture.
lantern picture — A still picture projected on a screen by means of an optical lantern.
lantern slide — The transparent picture from which a lantern picture is projected.
magazine valve — The film opening in the magazine of a motion picture projector.
motion picture — The synthesis of a series of related picture elements, usually of an object in motion.
motion picture film — The ribbon upon which the series of pictures are recorded.
motion picture projector — An optical lantern equipped with mechanisms for suitably moving motion picture film across the projected light.
negative stock — Light sensitive film intended for motion picture camera use.
negative — The developed film, after being exposed in a camera.
objective — The image-forming member of the optical system in picture apparatus.
positive stock — The light, sensitive film intended to be printed upon through a negative.
positive — The developed film, after being printed through a negative.
print — Same as "positive."
projecting lens — The lens (in an optical machine) which images the picture on the screen.