Living pictures; their history, photoproduction and practical workingWith a digest of British patents and annotated bibliography . Fig. 183. PRESENT-DAY APPARATUS. 1G7 messagers is described as a Maltese-cross motion is constructed by AUbert, and was exhibited at EarlsCourt. MAZOS compact machine with cross-actuated intermittentmotion, capable of serving both for photography andprojection. THE INVICTA Noakes and Normans machine is shown inFig. 184. The filmis actuated by a pin-or claw-motion, andin adjustment onlyrequires to b
Living pictures; their history, photoproduction and practical workingWith a digest of British patents and annotated bibliography . Fig. 183. PRESENT-DAY APPARATUS. 1G7 messagers is described as a Maltese-cross motion is constructed by AUbert, and was exhibited at EarlsCourt. MAZOS compact machine with cross-actuated intermittentmotion, capable of serving both for photography andprojection. THE INVICTA Noakes and Normans machine is shown inFig. 184. The filmis actuated by a pin-or claw-motion, andin adjustment onlyrequires to be fedinto the machine,when it is automati-cally seized. There isno sprocket-wheel fordriving the film. Anew machine on adifferent principle isin preparation, butis not sufficiently ad-vanced for publication yig. the THE PRESTWICH MACHINES. Of many patterns placed on the market by thePrestwich Manufacturing Company, space permits thedescription of but a few. Fig. 185 shows Model 3Projector, the film being intermittently actuated by adog-motion. This machine is fitted with automaticfeed and take-up attachments, the spools being capableof accommodating up to 2,000 feet of film. Two simpler 168 LIVING PICTURES. patterns are constructed, but all have a removableshutter and interchangeable sprockets, which may berapidly adjusted in order to pass a film of any gaugethrough the machine without possibility of many films of apparent Edison perforation arefound, when tested, to be out by anything between -gL to -jig inch in the space of fourpictures, this detail is of consider-able importance. The simplerforms of camera are providedwith focal-plane shutters, inter-mittent motion being secured byan epicyclic sprocket,such as was shownin Fig. 127. All theinstruments referredto may be had towork with
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Keywords: ., bookcentury1800, bookdecade1890, booki, booksubjectmotionpictures
