Living pictures; their history, photoproduction and practical workingWith a digest of British patents and annotated bibliography . PRESENT-DAY APPARATUS. 161 centred to the film in conjunction with tlie usual out-lining mask, and the position of the picture on thescreen is therefore not disturbed. In the film-trapsteel springs bear on the edges only of the film, andscratches are thus avoided. parnalands spring-tooth. The connecting-rods L, M, and L (Fig. 179) aredriven by an eccentric, and serve to move a frame up. v7W^f^/ui///uf/fiu^^j/M^i^fwr^/fe/ii7(7tnf7f(^7ffw^JZur^^:!^ J Fig. 179. and do
Living pictures; their history, photoproduction and practical workingWith a digest of British patents and annotated bibliography . PRESENT-DAY APPARATUS. 161 centred to the film in conjunction with tlie usual out-lining mask, and the position of the picture on thescreen is therefore not disturbed. In the film-trapsteel springs bear on the edges only of the film, andscratches are thus avoided. parnalands spring-tooth. The connecting-rods L, M, and L (Fig. 179) aredriven by an eccentric, and serve to move a frame up. v7W^f^/ui///uf/fiu^^j/M^i^fwr^/fe/ii7(7tnf7f(^7ffw^JZur^^:!^ J Fig. 179. and down behind the film. This frame bears spring-teeth, P, which engage with the perforations, drawing M 162 LIVING PICTURES. the film on the down-stroke and slipping over the filmon the up-stroke. NAISH AND CINEMATOGRAPH. This apparatus had a claw raised and lowered by atriangular eccentric. The claw was forced forward bya cam-disc, and returned from contact with the film bythe same means. The light could be deflected througha vertical lens for ordinary projection. kaisers kinetograph. This apparatus is described as a modified Maltese-cross movement. The ends of the cross are hollowed,and another cross has convex ends which bear againstthe ends of the first to steady it. The second crossis carried on a rotating plate, which also Dears the pinsserving to actuate the first-mentioned cross. THE SANSON CINECOSMORAMA. No exact description of the commercial form of thisinstrument is available. Sansons patent pro
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Keywords: ., bookcentury1800, bookdecade1890, booki, booksubjectmotionpictures
