. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. HISTORY OF CHRONOPHOTOGRAPHY. 323 nomical revolver of Janssen, with this difference, that it produces pictures about 800 times more frequently, which calls for a pretty deli- cate mechanism. Fig. 9 shows the photograph of a gull in free flight. XtK 7. J/. Londe''s apjxiratus ^oitli inuJtipIe ohjecfives^ i^^^J.—Return- ing to the method of Muybridge, with a very important improvement, M. Londe, aided by M. Dessoudeix, constructed an apparatu
. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. HISTORY OF CHRONOPHOTOGRAPHY. 323 nomical revolver of Janssen, with this difference, that it produces pictures about 800 times more frequently, which calls for a pretty deli- cate mechanism. Fig. 9 shows the photograph of a gull in free flight. XtK 7. J/. Londe''s apjxiratus ^oitli inuJtipIe ohjecfives^ i^^^J.—Return- ing to the method of Muybridge, with a very important improvement, M. Londe, aided by M. Dessoudeix, constructed an apparatus in which a series of twelve objectives form their images upon different parts of a rectangular plate of large size. An ingenious arrangement causes the successive opening of these objectives at equal intervals as short as may be desired. The analysis of the motion is consequent^ very per- fect. The order of the images can not be deranged, since they are all obtained on one plate. But the number of pictures is limited by the necessity of having a separate objective for each. General Sebert bj^ a similar method analyzes the phases of the motion of torpedoes. No. S. Multiplication of the numher of pictures: 1. Partial plioto- graphs. 2. Dissociation of the imag eshefore the darl'field. 3. Photo- graphs on a fllin rihhon in motion, 1887-88.—A perfect anah'sis of. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Smithsonian Institution. Board of Regents; United States National Museum. Report of the U. S. National Museum; Smithsonian Institution. Report of the Secretary. Washington : Smithsonian Institution
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