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MOTION PICTURE PROJECTION 23
(c) The refracted ray lies in the plane of the incident ray and the normal.
(d) Light rays are bent toward the normal when they enter a more refracted medium and from the normal when they enter a less refracted medium.
REGISTER. A term denoting facial expression of emotions.
RELEASE. The publication of a photoplay.
RETAKE. Rephotographing a scene.
REWIND. The process of reversing the winding of a film, usually so that the end to oe rirst projected shall lie on the outside of the roll.
REWINDER. The mechanism by which rewinding is accomplished.
RESISTANCE BOX. A box filled with resistance coils connected in series.
RHEOSTAT. An instrument used to offer resistance to the flow of current. Made of a number of metal coils connected in series and mounted on a frame.
RUBBER COVERED WIRE. A cable either solid or stranded with a rubber covering and an outer protective covering of cotton braid. Used for mains for motionpicture work.
SCENE. The action taken at a single camera setting.
SCENARIO. A general description of the action of a proposed photoplay.
SCREEN. The surface upon which a picture is optically projected.
SECONDARY COIL. The coil of a transformer in which the current is induced, connected to the lamp.
SERIES. An electrical connection where lamps are connected so that they depend on each other for supply, the current passing through each lamp successively.
SHOOTING A SCENE. Photographing the scene.
SHORT CIRCUIT. Two wires of opposite polarity coming in contact with each other without any controlling device.
SHUTTER. The obscuring device, usually a revolving segmental disc, employed to intercept the light during the movement of the film in motion-picture apparatus. Shutter — Working Blade (also variously known as the cutting blade, obscuring blade, main blade, master blade or travel blade). That segment which intercepts the light during the movement of the film at the picture aperture. fc '.