Practical cinematography and its applications (1913)

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198 PRACTICAL CINEMATOGRAPHY One of the first practical developments in this direction was that perfected by Messrs. Paterson and Musgrave. Their wide and diversified experience of all that pertains to shooting and targets enabled them to avoid the defects of the system, which to many experimenters were not apparent owing to a lack of knowledge. The apparatus and method of operation were very simple. The target consisted of an endless roll of white paper which served as the screen, and upon which the pictures were projected from a point near the firing line. A self-recording system was incorporated whereby the result of a shot was transmitted back to the firing line to inform the marksman about the value of his hit. As the paper became perforated under the fusilade it was rolled up. The most important feature of this invention was the mechanism placed behind the screen, which synchronised with the move- ments of the objects at which the marksman aimed. In cinematographic projection, however, the throw of the picture cannot be extended beyond certain limits, that is, if a clear view is to be presented to those seated farthest away from the screen. In target practice this is a serious disadvantage. At a range of 200 feet marksman- ship would be almost impossible, owing to the indistinctness of the image upon the white wall.