Spoor
Long ago one George K. Spoor experimented with a primitive projection machine, started the first film distributing company, became a controlling factor in the old Essanay Co. In 1916 he quit film production but continued experiments to find new tools. Last fortnight, and again last week, Experimenter Spoor announced some new cinema devices which he had developed with the aid of two engineers --Fred J. Lindbergh (no kin) and P. John Berggren--and which, coming from George K. Spoor, may well prove important.
Natural Vision. In stereoscopy an object is photographed from two slightly different points of view so that when the two pictures are united in projection the object stands out in three dimensions. Inventor Spoor has obtained a like effect by using a camera with two lenses which record impressions on film through a single aperture. The illusion of depth is obtained not because the images are different but because they are recorded in "stagger" formation. RKO has rights to make one picture this way. It will be a railroad film with Louis Wolheim, Robert Armstrong, and Jean Arthur. It will be presented at the State-Lake Theatre in Chicago in two or three weeks.
Carved Sound. In the past, sound-on-film has been obtained by electricity. Passing through photoelectric cells, the sound waves from the microphone have been translated into light waves to which the film is exposed. Inventor Spoor has a new system that is purely mechanical. The sound waves are made to actuate a cutting instrument which carves the sound on the edge of the film in grooves like the grooves of a phonograph record. When the film is run off on a projection machine the sound is released by a sapphire roller functioning much clearer, much cheaper.
Color. Inventor Spoor predicted that by Jan. 1 he would have perfected a third new device by which natural color may be combined with the depth of the new sound camera, the clarity of the new sound invention.
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