 | Thomas Graham - Chemistry, Inorganic - 1858 - 880 pages
...and mechanical power generated by the electric current, Mr. Joule was led to conclude that the heat required to raise the temperature of a pound of water 1° F., is equivalent to 838 foot-pounds ; and a nearly equal result was afterwards obtained by experiments... | |
 | Peter Guthrie Tait - Thermodynamics - 1868 - 148 pages
...with this simple apparatus, Joule deduced as the dynamical equivalent of heat (that is, of the heat required to raise the temperature of a pound of water 1° F.) 770 foot-pounds, 1 differing by only about a quarter per cent, from the results of his subsequent and... | |
 | GEORGE FOWNES, F.R.S. - 1869 - 876 pages
...and mechanical power generated by the electric current, Mr. Joule was led to conclude that the heat required to raise the temperature of a pound of water 1° F. is equivalent to 838 foot-pounds ; this he afterwards reduced to 772 ; and a nearly equal result was... | |
 | George Fownes - 1869 - 882 pages
...and mechanical power generated by the electric current, Mr. Joule was led to conclude that the heat required to raise the temperature of a pound of water 1° F. is equivalent to 838 foot-pounds; this he afterwards reduced to 772 ; and a nearly equal result was... | |
 | United States. Congress. Joint Committee on Ordnance - Ordnance - 1869 - 262 pages
...with this simple apparatus, Joule deduced as the dynamical equivalent of heat (that is, of the heat required to raise the temperature of a pound of water 1° F.) 770 footpounds, differing by only about a quarter per cent, from the results of his subsequent and... | |
 | George Fownes - Chemistry - 1870 - 894 pages
...and mechanical power generated by the electric current, Mr. Joule was led to conclude that the heat required to raise the temperature of a pound of water 1° F. is equivalent to 838 foot-pounds; this he afterwards reduced to 772; and a nearly equal result was... | |
 | George Fownes - 1877 - 588 pages
...and mechanical power generated by the electric current, Dr Joule was led to conclude that the heat required to raise the temperature of a pound of water 1° F. is equivalent to 838 foot-pounds. This he afterwards reduced to 772; and a nearly equal result was... | |
 | George Fownes - Chemistry - 1883 - 602 pages
...and mechanical power generated by the electric current, Dr. Joule was led to conclude that the heat required to raise the temperature of a pound of water 1° F. is equivalent to 838 foot-pounds. This he afterwards reduced to 772 ; and a nearly equal result was... | |
 | Le Roy Clark Cooley - Physics - 1897 - 480 pages
...way the mechanical energy of the mass was changed into heat in the water. Xow the quantity of heat required to raise the temperature of a pound of water 1° F. is always the same (§ 92, b). So Joule found the quantity of heat produced in the water, by multiplying... | |
 | Isabel McIsaac - Hygiene - 1908 - 232 pages
...obtained by its complete combustion, and is expressed in units or calories. . . . " The amount of energy required to raise the temperature of a pound of water 1° F. has as a mechanical equivalent 772 units of work; that is to say, the same amount of energy will raise... | |
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Joule was led to conclude that the heat required to raise the temperature of a pound of water 1° F. 
