 | Eclectic medical society of the state of New York - 1870 - 1368 Seiten
...water in rising or falling through 1° Centigrade of temperature. Or, in English measurement, that amount of heat which will raise the temperature of one pound of water by 1° Fahrenheit. To use the French expression, this amount of heat is just the quantity generated... | |
 | Pennsylvania. Department of Agriculture - 1894 - 770 Seiten
...degree. The mechanical equivalent of this is 772 foot-pounds.. That is to say, in other words, that the amount of heat which will raise the temperature of one pound of water one degree, will also raise 772 pounds one foot, or one pound seven hundred and seventy-two feet,... | |
 | George William Sutcliffe - 1895 - 918 Seiten
...reference to this temperature. Measurement of heat. — Quantities of heat are estimated in units. A British thermal unit is the amount of heat which will raise one pound of water from a temperature of 39 F. to 40°. The total amount required to raise the same... | |
 | International Correspondence Schools - 1900 - 732 Seiten
...844. Heat I'nit. — We measure the quantity of heat by what is termed the thermal, or heat, unit. The British thermal unit is the amount of heat which will raise the temperature of one pound of water one degree of the Fahrenheit scale. Table 18 gives, in round numbers, the number of British thermal... | |
 | 1900 - 728 Seiten
...844. Heat Unit. — We measure the quantity of heat by what is termed the thermal, or heat, unit. The British thermal unit is the amount of heat which will raise the temperature of one pound of water one degree of the Fahrenheit scale. Table 18 gives, in round numbers, the number of British thermal... | |
 | 1903 - 782 Seiten
...844. Heat Unit. — We measure the quantity of heat by what is termed the thermal, or heat, unit. The British thermal unit is the amount of heat which will raise the temperature of one pound of water one degree of the Fahrenheit scale. Table 18 gives, in round numbers, the number of British thermal... | |
 | 1903 - 758 Seiten
...8-44. Heat Unit. — We measure the quantity of heat by what is termed the thermal, or heat, unit. The British thermal unit is the amount of heat which will raise the temperature of one pound of water one degree of the Fahrenheit scale. Table 18 gives, in round numbers, the number of British thermal... | |
 | Stephen Christie - 1908 - 272 Seiten
...POWER. Power, or as it is mechanically expressed, heat, is measured, and the unit of this measurement is the amount of heat which will raise the temperature of one pound of water one degree F at its point of greatest density (39 deg. F.). The number of heat units in one pound... | |
 | James David Hoffman, Benedict Frederick Raber - 1910 - 354 Seiten
...engineering work is the British thermal unit, commonly abbreviated B. t. u., which may be denned as that amount of heat which will raise the temperature of one pound of pure water one degree Fahrenheit, at or near the temperature of maximum density, 39.1° F. This unit,... | |
 | Robert Warren Fuller, Raymond Bedell Brownlee - 1913 - 350 Seiten
...law of heat exchange, it is necessary to define a unit of heat measurement, called the calorie. This is the amount of heat which will raise the temperature of one gram of water one degree Centigrade. Experimental : Handle the thermometers carefully, as the glass... | |
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The British thermal unit is the amount of heat which will raise the temperature of one pound of water one degree of the Fahrenheit scale. 
