Amontons guillaume 1663 1705 (1 risultati)
Altre immaginiEditore: Amsterdam, Pierre Mortier, 1737
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Da: JF Ptak Science Books, Hendersonville, NC, U.S.A.JF Ptak Science Books
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Aggiungi al carrelloHardcover. Condizione: Very Good. Amontons, Guillaume (1663-1705). "Discours sur quelques proprietes de l'Air & le moyen d'en connoitre la temperature dans tous les climats de la Terre" in Histoire et Memoires de l'Academie Royale des Sciences Annee 1702, printed in Amsterdam by Pierre Mortier, 1737. The paper appears in the sec…tion Memoires de Mathematique et de Physique. 153x95mm, (viii), 184;451pp, 12 folding plates, with the Amontons on pp 216-243. Bound in full leather, with raised bands and gilt-decorated dentelles, blindstamped decorated covers. Marbled pastedowns, though lacking the front and rear marbled endpapers. Very nice condition, very tight and square. There's a little bit of staining and a 1-inch tear on the title page, otherwise a very clean, crisp copy. [++] ".the other was an air thermometer independent of the atmospheric pressure. Air occupied the top of one of the branches of a U-shaped tube, and by its dilation it pushed down one of the mercury columns so that the other end of the branch formed a barometric chamber.In 1702 Amontons returned to thermometry. Having noted that water ceases to increase its temperature from the boiling point, he proposed that the latter be the fixed thermometric point. He also observed that for an equal elevation of temperature, the increase of pressure of a gas always exists in the same proportion, no matter what the initial pressure.The following year Amontons indicated practical ways of graduating ordinary alcohol thermometers, Also, returning to his observations of 1702, he proposed an explanation for certain natural catastrophes, such as earthquakes: If there is air very deep within the earth, it is extremely compressed and could reach an irresistible pressure as the result of a relatively small increase in temperature.Among Amonton's last works was a barometer with a U-tube, without an open surface of mercury, to be used on shipboard. Using the same receptacle and liquids whose coefficients of expansion differed, Amontons was able to establish as false the theory that liquids "condense and cool first, before expanding with approaching heat." The observed results were due only to the expansion of the containers. Also, using a barometer as an altimeter, he tried to verify the exactitude of Mariotte's (Boyle's) law at low pressures."--Complete Dictionary of Scientific Biography online. ALSO, see Parkinson "Breakthroughs" on Amonton, "[who] determines that heat, in addition to pressure, affects barometers" (1703).
