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" The immediate cause of the phenomena of heat then is motion, and the laws of its communication are precisely the same, as the laws of the communication of motion. "
A History of Physics in Its Elementary Branches: Including the Evolution of ... - 193. lappuse
autors: Florian Cajori - 1899 - 322 lapas
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The History of Civilisation in Scotland, 4. sējums

John Mackintosh - 1896 - 532 lapas
...scientific men. In 1812, Davy enounced that the direct cause of the phenomenon of heat is motion, and that the laws of its communication are precisely the same as the laws of the communication of motion. The researches into the radiation and absorption of heat mainly form the physical basis of Spectrum...
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A Text-book on Steam and Steam Engines: Specially Arranged for the Use of ...

Andrew Jamieson - 1897 - 658 lapas
...presence of the increased temperature on the assumption that heat is a material substance. Davy said — " The immediate cause of the phenomenon of heat is motion,...of its communication are precisely the same as the communication of the laws of motion." Maxwell, in his Theory of Heat, p. 306, says — " The molecules...
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Elementary Manual on Steam and the Steam Engine

Andrew Jamieson - 1897 - 362 lapas
...presence of the increased temperature on the assumption that heat is a material substance. Davy said — " The immediate cause of the phenomenon of heat is motion,...of its communication are precisely the same as the communication of the laws of motion." Maxwell, in his Theory of Heat, p. 306, says — -"The molecules...
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Text-book on the Steam Engine with a Supplement on Gas Engines and Part II ...

Thomas Minchin Goodeve - 1898 - 490 lapas
...statement in considering the working of heat engines. It is expressed in the following sentence : — ' The immediate cause of the phenomenon of heat is motion,...precisely the same as the laws of the communication of motion.1 HEAT IS PRODUCED BY THE AGITATION OF THE MOLECULES OF BODIES. 33. After the experiments of...
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A History of Physics in Its Elementary Branches: Including the Evolution of ...

Florian Cajori - 1899 - 352 lapas
...friction causes vibration of the corpuscles of bodies, and this vibration is heat. However, he 1 DAVT'S Complete Works, Vol. II., p. 11. was not so confident...theory was given in 1807 by Thomas Young in his Natural Philosophg. But Rumford, Davy, and Young made, at the time, but few converts.2 An important observation...
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A History of Physics in Its Elementary Branches: Including the Evolution of ...

Florian Cajori - 1899 - 342 lapas
...that friction causes vibration of the corpuscles of bodies, and this vibration is heat. However, he was not so confident of the correctness of this view...precisely the same as the laws of the communication of motion."1 Arguing from Rumford's experiments, a conclusive refutation of the caloric theory was given...
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Masters of medicine v. 4, 1899, 4. sējums

1899 - 338 lapas
...two pieces of ice together. In 1812 Davy wrote: 'The immediate cause of the phenomena of heat, then, is motion, and the laws of its communication are precisely...same as the laws of the communication of motion.' Professor Tait remarks in this connection : ' If Davy had with this statement taken into account the...
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Locomotive Firemen's Magazine, 25. sējums

1898 - 734 lapas
...tending to separate them." In 1812 Davy said: •The immediate cause of the phenomenon of heat, then, is motion, and the laws of its communication are precisely...same as the laws of the communication of motion." This is the "dynamical" or present theory of heat. Other scientists have experimented and agreed that...
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XX Century Cyclopaedia and Atlas: Biography, History, Art ..., 4. sējums

1901 - 530 lapas
...completely. He concluded that ' the immediate HEAT-ENGINE HEAVEN, cmi -• • of the phenomenon of heat la motion, and the laws of its communication are precisely...same as the laws of the communication of motion.' Between 1840 and 1843 Joule conclusively established the truth of this theory — the dynamical theory...
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The Thermal Measurement of Energy: Lectures Delivered at the Philosophical ...

Ernest Howard Griffiths - 1901 - 152 lapas
...till 1812 that he enunciated this proposition : " The immediate cause of the phenomenon of heat then is motion, and the laws of its communication are precisely the same as the laws of the communication of motion1 " ; and, on reflection, it seems extraordinary that the publication of the works of Rumford...
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