. Bulletin - United States National Museum. Science. Figure (5.—The result of earl) pendulum experiments was often expressed in terms of ili<' length ol .1 pendulum which would have a period of One second and was . I he interval between coincidences was determined l>\ ob- serving, through the telescope at the left, the times when the two pendulums emerge together from In-hind the screen (M). The exact length 11I the pendulum was measured in a platinum scale (nol Bhown) equipped with a verniei ami an auxiliary copper scale foi temperature c mice lie .11. When, ai the end of the 18th centu
. Bulletin - United States National Museum. Science. Figure (5.—The result of earl) pendulum experiments was often expressed in terms of ili<' length ol .1 pendulum which would have a period of One second and was . I he interval between coincidences was determined l>\ ob- serving, through the telescope at the left, the times when the two pendulums emerge together from In-hind the screen (M). The exact length 11I the pendulum was measured in a platinum scale (nol Bhown) equipped with a verniei ami an auxiliary copper scale foi temperature c mice lie .11. When, ai the end of the 18th century, the French revolutionary government established tin- metric system of weights and measures, tin- length of the seconds pendulum at Paris was Considered, but not adopted, as the unit of length. (Plate -•. Vfemoirei publiei pen Ui Societe francedse de Physique, vol. 1 °fcjM'. 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 United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.
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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
