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" ... statement of the first as to assert that equivalents of heat and work are not of equal value. While work can always be converted into heat, heat can only be converted into work under certain limitations. For every practical purpose, the work is worth... "
The Canadian Record of Science - Page 98
1885
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Science, Volume 4

John Michels (Journalist) - 1884 - 668 pages
...For every practical purpose, the work is worth the most; and, when we speak of equivalents, we use the word in the same sort of special sense as that...only necessary for us to glance at the theory of the steam-engi ne. Not many years ago, calculations were plentiful, demonstrating the inefficiency of the...
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Science

1884 - 660 pages
...For every practical purpose, the work is worth the most; and, when we speak of equivalents, we1 use the word in the same sort of special sense as that...which obtain between the first and the second law of thermo-dynamlcs, it is only necessary for us to glance at the theory of the steam-engine. Not many...
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Report of the Annual Meeting

British Association for the Advancement of Science - 1885 - 1240 pages
...limitations. For every practical purpose the work is worth the most, and when we speak of equivalents, we use the word in the same sort of special sense as that...order to see the relations which obtain between the tírst and the second law of Thermo-dynamics, it is only necessary for us to glance at the theory of...
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Proceedings of the Royal Philosophical Society of Glasgow, Volume 18

Royal Philosophical Society of Glasgow - 1887 - 516 pages
...whether the increase arose from a distinct recognition of the law of efficiency of heat engines, namely, that the real value of heat as a source of mechanical power depends on the temperature of the working substance relatively to that of surrounding bodies, and consequently...
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The Scottish Review, Volume 19

1892 - 534 pages
...Molrice du Feu, in which he enunciated the fundamental principle which governs all heat engines, namely, that the real value of heat as a source of mechanical power depends on the temperature of the working substance relatively to that of surrounding bodies, and consequently...
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Littell's Living Age, Volume 193

1892 - 880 pages
...Feu," in which he enunciated the fundamental principle which governs all beat 198 199 engines, namely, that the real value of heat as a source of mechanical power depends on the temperature of the working substance relatively to that of surrounding bodies, and consequently...
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The Electrician and Electrical Engineer, Volume 3

1884 - 338 pages
...limitations For every practical purpose the work is worth the most, and when we speak of equivalents we use the word in the same sort of special sense as that...only necessary for us to glance at the theory of the steam engine. Not many years ago calculations were plentiful demonstrating the inefficiency of the...
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Annual Report of the Board of Regents of the Smithsonian Institution

Smithsonian Institution. Board of Regents - 1885 - 958 pages
...in consequence of applying the first law too rigidly, unmodified by the second. The latter teaches that the real value of heat as a source of mechanical...upon the temperature of the body in which it resides. Every change, chemical, thermal, or mechanical, which takes place or can take place in nature does...
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