 British measures, the ordinary unit of heat for scientific purposes is the quantity of heat which raises the temperature of one pound of water by one degree of Fahrenheit's scale — say from the temperature of 39° Fahr, to that of 40° Fahr.  Journal of the Royal United Service Institution - Page 198by Royal United Services Institute for Defence Studies - 1868Full view - About this book
 | Physics - 1829 - 500 pages
...which is required to raise one pound of water from 152° to 156°; or, in other words, that the same quantity of heat which raises the temperature of one pound of water four degrees, raises the same weight of quicksilver one hundred and twelve degrees. On this account... | |
 | William John Macquorn Rankine - Mechanical engineering - 1866 - 624 pages
...heat which raises the temperature of one pound of water from 32° to 32° + 30" = 62°, is not exactly the quantity of heat which raises the temperature of one pound of water from 32° to 32° + 60° = 92° ; but it is exactly the quantity of heat which raises the temperature... | |
 | Industrial arts - 1869 - 1008 pages
...certain weight of water, as the effect referable to the unit «f heat. In this country the unit of heat is the quantity of heat which raises the temperature of one pound of water one degree of Fahrenheit's scale. Ingredients. Parti by weight. Temperature produced, starting from... | |
 | Julius Weisbach - 1878 - 600 pages
...Centigrade, a work of 424- 1 meter kilogrammes can be performed, a work of 1390 ft. Ibs. can be performed by the quantity of heat which raises the temperature of one pound of vater one degree Centigrade, and of 772 ft. Ibs. by that which raises one pound of water one degree... | |
 | Julius Ludwig Weisbach - Mechanics, Applied - 1878 - 580 pages
...Centigrade, a work of 424- 1 meter kilogrammes can be performed, a work of 1390 ft. Ibs. can be performed by the quantity of heat which raises the temperature of one pound of vater one degree Centigrade, and of 772 ft. Ibs. by that which raises one pound of water one degree... | |
 | William Lant Carpenter - Force and energy - 1883 - 242 pages
...fact that the mechanical work represented by 772 foot-pounds would, when converted into heat, raise the temperature of one pound of water by one degree of Fahrenheit's thermometer (the ordinary scale in use in England). This number, then, is known as the mechanical equivalent... | |
 | Royal United Services Institute for Defence Studies - Military art and science - 1867 - 782 pages
...scientific purposes, the ordinary unit of heat is so much heat as raises by one degree the temperature of the unit of weight of water, whatsoever the unit...of one -pound of a certain sort of fuel — so many unite of heat are produced, we mean that by means of that process, if there be no waste of heat, so-... | |
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