. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. HISTORY OF CHRONOPHOTOGRAPHY. 338 demiciaii, A. Cormi, succeeded in this way in rendering- perceptible in a cord vibrations of three kinds—the longitudinal, the transversal, and the torsional. A very light little mirror attached to the cord indi- cated these three kinds of motion on a plate having a uniform transla- tion. Fig. 81 is the negative resulting from this experiment. Physiology.—It is to the physiological study of the different ga
. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. HISTORY OF CHRONOPHOTOGRAPHY. 338 demiciaii, A. Cormi, succeeded in this way in rendering- perceptible in a cord vibrations of three kinds—the longitudinal, the transversal, and the torsional. A very light little mirror attached to the cord indi- cated these three kinds of motion on a plate having a uniform transla- tion. Fig. 81 is the negative resulting from this experiment. Physiology.—It is to the physiological study of the different gaits of iuiimals and to the functional motions of their different organs that chronophotography has prin- (•i[)ally been applied. Some types of the experiments which it has rendered possible may here be illustrated. Terrestrial locomotion.— The series of photographs taken on moving films hare represented all the phases of motion of man and of quadru- peds. Thus figs. 32, 33, and 34 (PI. VI) represent the three normal gaits of the horse. One can easily follow the succession of attitudes during the advance of the animal. The sequence of time is from above downward. A dis- puted question of animal mechanics was whether a cat turns over in falling, and, if so, how she does it without any application of external force. Experiment has proved that, as a fact, she does so, thus enabling mechanicians to correct a current error of classical 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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