...these experiments, except it be motion.' In 1812, Davy wrote: ' The immediate cause of the phenomena of heat, then, is motion, and the laws of its communication...the same as the laws of the communication of motion ; ' * and he confirmed his views by that original and most interesting experiment in which he melted...

...these experiments, except it be motion.' In 1812, Davy wrote : ' 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 comLETTER OF MR. JOULE. 463 munication of motion ; ' * and he confirmed his views by that original...

...in that year, he enunciates the following perfectly definite and most important proposition :— " The immediate cause of the phenomenon of heat, then,...same as the laws of the communication of motion." The immense consequences of this statement we shall presently consider, after \ve have briefly described...

...published in that year, he enunciates the following perfectly definite and most important proposition:— " The immediate cause of the phenomenon of heat, then,...communication are precisely the same as the laws of the communicatiou of motion." The immense consequences of this statement we shall presently consider, after...

...these experiments, except it be motion.' In 1812, Davy wrote : ' The immediate cause of the phenomena of heat, then, is motion, and the laws of its communication...the same as the laws of the communication of motion ; ' * and he confirmed Ms views by that original and most interesting experiment in which he melted...

...expresses himself thus : — ' By a moderate degree of friction, as it would appear from Eumford's experiments, the same piece of metal may be kept hot...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 every body can communicate...

...was not till 1812 that Davy wrote in his Chemical Philosophy, " The immediate cause of the phenomena of heat then is motion, and the laws of its communication are precisely the same as those of the communication of motion." When, therefore, we remember that Davy's first publication was...

...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 aa the laws of the communication of motion." (Elrniftits of Chtmicai Philosophy, London, 1812, pp....

...these experiments, except it be motion.' In 1812, Davy wrote : ' The immediate cause of the phenomena of heat, then, is motion, and the laws of its communication...the same as the laws of the communication of motion ; ' * and he confirmed his views by that original and most interesting experiment in which ho melted...

...: " As would appear from Count Rumford's experiments, 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." And again, (Memoir on heat, &c., Works, vol. ii.) : -"It has been experimentally demonstrated that...