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(Right) Bell & Howell master craftsman using measuring projector in ■which the greatly magni- fied contour of the teeth of a cutting tool is pro- jected upon a large scale drawing of the tool for accurate measurement. (Below) Close-up of cut- ting tool in measuring projector. PRECISION BELL & HOWELL Bell & Howell Company Dept. T, 1848 Larchmont Avenue, Chicago, Illinois - New York, 1 1 West 42nd Street - Hollywood, 6324 Santa Monica Boulevard - London (B & H Co., Ltd.) 320 Regent Street Established 1907 CHALLENGES THE NAKED EYE So greatly magnified on the theater screen are the faults of defective films that the naked eye cannot be trusted to measure or test the machinery through which the film runs on its way from raw stocks to projection booth. With Bell £r Howell cinemachinery, hundreds of thousands of dollars are invested in optical measuring instruments which give readings down to the ten thousandth part of an inch so that the precision necessary for perfect moving pictures may be accomplished. Just as this necessity for precision challenges the ability of the naked eye, so does the picture projected on the theater screen challenge the naked eye to detect flaws due to inaccurate preparation of the film. In perforating, photo- graphing, printing, cutting and splicing the film is ever ready to reproduce the slightest defect transmitted by the machinery through which it runs. For more than 23 years, the major film producers and distributors of the world have been assured of perfect movies on the screen through the use of Bell £r Howell Standard Cameras, Printers, Perfor- ators and Splicers. Per piacere menzionare il Cinematographer quando scrivendo al annunziares.