 | Edmund Ronalds, Thomas Richardson - 1855 - 430 lehte
...a properly contrived machine driven by an agent spending not more than - r L of energy of the heat communicated; and that a corresponding machine, or...temperature. When a body is heated by such means about -J-Jths of the heat is drawn from surrounding objects, and -jVth is created by the action of the agent;... | |
 | Benjamin Silliman - 1859 - 750 lehte
...an agent, spending not more than one thirty-fifth of the energy of the heat communicated, and thata corresponding machine, or the same machine worked...backwards, may be employed to produce cooling effects. Where water power abounds, the heat of friction has been used to warm buildings, and an apparatus has... | |
 | 1908 - 450 lehte
...temperature by means of a properly contrived machine driven by an agent spending not more than about 1/35 of the energy of the heat thus communicated and that...a corresponding machine or the same machine worked backward may be employed to produce cooling effects, requiring about the same expenditure of energy... | |
 | American Institute of Electrical Engineers - 1908 - 926 lehte
...temperature by means of a properly contrived machine driven by an agent spending not more than about 1/35 of the energy of the heat thus communicated and that...a corresponding machine or the same machine worked backward may be employed to produce cooling effects, requiring about the same expenditure of energy... | |
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... of the energy of the heat thus communicated; and that a corresponding machine, or the same machine worked backwards, may be employed to produce cooling effects, requiring about the same expenditure of energy in working it to cool the same substance... 