 | Henry Watts - 1871 - 1128 pages
...own results, and expressed himself in very similar terms: — "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 communicat ion of motion." (Elements tif Chi-mical Philosophy, London, 1812, pp. 94, 95.) Similar views... | |
 | George Edward Ellis - 1871 - 750 pages
...for the first time clearly stated the conclusion that " the immediate cause of the phenomena of heat is motion, and the laws of its communication are precisely the same as those of the communication of motion." Dr. Youmans, with admirable distinctness of statement and with... | |
 | Great Britain. Patent Office - 1873 - 546 pages
...motion, p. 99." 1812. Sir Humphry Davy in his "Chemical Philosophy" enunciates the the principle that "the immediate cause of the " phenomenon of heat, then, is motion, and the laws of its com" munication are precisely the same as the laws of the communi" nication of motion." 1842. Mayer... | |
 | Peter Guthrie Tait - 1876 - 396 pages
...them ; and then he stated in a distinct form the important propositions that heat is motion, and that the laws of its communication are precisely the same as the laws of communication of motion. Then I showed you that Seguin, although he was altogether wrong in his a priori... | |
 | Peter Guthrie Tait - 1877 - 210 pages
...that year, he enuntiates the following perfectly definite and most important proposition : — '7%e immediate cause of the phenomenon of heat, then, is...precisely the same as the laws of the communication of motion.1 The immense consequences of this statement we shall presently consider, after we have briefly... | |
 | George Fownes - 1877 - 588 pages
...the ice itself. Hence Davy* drew the conclusion that, "the immediate cause of the phenomena of heat is motion, and the laws of its communication are precisely...same as the laws of the communication of motion." Heat was compared by these philosophers to a material substance, in order to explain its then known... | |
 | Robert Henry Thurston - 1878 - 524 pages
...Davy, in 1812, for the first time, stated plainly and precisely the real nature of heat, saying : " The immediate cause of the phenomenon of heat, then,...same as the laws of the communication of motion." The basis of this opinion was the same that had previously been noted by Rumford. So much having been... | |
 | Thomas Minchin Goodeve - 1879 - 364 pages
...engines. It is expressed in the following sentence: — ' The immediate cause of the phenomenon of heat is motion, and the laws of its communication are precisely...same as the laws of the communication of motion.' HEAT IS PRODUCED BY THE AGITATION OF THE MOLECULES OF BODIES. 33. After the experiments of Rumford... | |
 | John Tyndall - 1881 - 572 pages
...body has expanded by heat, it is equally evident that its parts must have separated from each other. The immediate cause of the phenomenon of heat, then,...motion. " Since all matter may be made to fill a smaller space by cooling, it is evident that the particles of matter must have space between them ; and, since... | |
 | American Dental Association - 1883 - 488 pages
...characteristics of some of these forces. Sir Humphry Davy says that the immediate cause of the phenomena of heat is motion, and the laws of its communication are precisely...the same as the laws of the communication of motion. We know that all molecular motion is accompanied by the evolution of heat to a greater or less degree.... | |
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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 motion. 
