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Animated Drawings — Norling and Leventhal
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necessary registry holes while setting an electric switch which actuates the tripping mechanism that revolves the exposure shutter. The platen is now withdrawn and another frame of film automatically brought forward in the camera head. Everything is then in readiness for the next exposure. It is possible to make 500 enlargements an hour with one of these machines. The enlargements must be developed in quantity to insure uniformity of tone; therefore, racks holding 100 sheets are used. The rack is immersed in a tank of developer and properly stirred. The succeeding washing and fixing operations are carried through without removing the paper from the racks. The enlargements are dried on ferrotype tins. If properly made, they retain most of the photographic quality of the original negative. The animated figures upon sheets of celluloid are laid over
HEGATIVE
PLATEN
Fig. 8. Device for making single frame enlargements on paper.
the enlargements and the composites exposed in the cartoon camera.
If the enlargements are made from a negative of high quality, the resulting film will be surprisingly good photographically; quite unlike the results obtained in the common practice of duping.
Unique and lifehke animation may be obtained by reproducing in line drawing a figure photographed in real action. A tracing machine consisting of a projector which throws an image of the film upon a sheet of paper is used. The artist traces the outline of the figure in the successive phases of motion. The subsequent operations to produce the finished product follow standard practice.
The animated drawing, cartoon and technical, is constantly undergoing development and refinement. Although some obsolete