Living pictures; their history, photoproduction and practical workingWith a digest of British patents and annotated bibliography . Fig. .•>5 54 LIVING Fig. independent cameras arranged in circle as shown mFig. 55. The six lenses of these cameras were furnishedwith a series of shutters, naturally arranged in circle, and each composed oftwo members. Themotive power was sup-plied by springs (S, Fig- 5^) ^^d eachshutter had two pro-jecting catches, C, oneof which is shown inthe drawing, the otherbeing situated under-neath. A centre disc, T,rotated when released,and was furnishedwith
Living pictures; their history, photoproduction and practical workingWith a digest of British patents and annotated bibliography . Fig. .•>5 54 LIVING Fig. independent cameras arranged in circle as shown mFig. 55. The six lenses of these cameras were furnishedwith a series of shutters, naturally arranged in circle, and each composed oftwo members. Themotive power was sup-plied by springs (S, Fig- 5^) ^^d eachshutter had two pro-jecting catches, C, oneof which is shown inthe drawing, the otherbeing situated under-neath. A centre disc, T,rotated when released,and was furnishedwith two projectingstops, one of which opened the shutter by pressure onthe catch C, while the other closed it. The latter stopP was adjustable for the purpose of varying the exposureby increasing the distance between the two stops. Thisapparatus was used by ColonelSebert for the study of pro-jectile motion. The latest development ofthe battery type for securinga limited series of viewsis that employed at theSalpetriere for the analysisof abnormal motions, such asepileptic fits, St. Vitus dance,etc. Twelve lenses are em-ployed, and the shutters re-leased by elect
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Keywords: ., bookcentury1800, bookdecade1890, booki, booksubjectmotionpictures
