 | 1868 - عدد الصفحات: 896
...raise a pound weight 772 feet high, or it would raise 772 pounds one foot high. The term 'foot-pound' has been introduced to express in a convenient way...as a standard, 772 foot-pounds constitute what is callud the mechanical equivalent of heat," which fact is worthy of more universal attention than at... | |
 | 1858 - عدد الصفحات: 448
...by the consumption of heat, for each foot-pound thus gained a definite quantity of heat disappears. The quantity of heat necessary to raise the temperature of a pound of water a degree of the centigrade thermometer, corresponds to a mechanical force by which a pound weight would... | |
 | 1865 - عدد الصفحات: 338
...introduced to express in a convenient or systematic way the lifting of 771 pounds to the height of one foot. Thus the quantity of heat necessary to raise the temperature of a pound of water one degree being taken as a standard, 772 foot pounds statute, u what is called the mechanical equivalent of heat.... | |
 | 1859 - عدد الصفحات: 448
...by the consumption of heat, for each foot-pound thus gained a definite quantity of heat disappears. The quantity of heat necessary to raise the temperature of a pound of water a degree of the centigrade thermometer, corresponds to a mechanical force by which a pound weight would... | |
 | John Tyndall - 1863 - عدد الصفحات: 538
...raise a pound weight 772 feet high, or it would raise 772 Ibs. one foot high. The term ' foot-pound ' has been introduced to express, in a convenient way,...raise the temperature of a pound of water one degree being taken, as a standard, 772 foot-pounds constitute what is called the mechanical equivalent of... | |
 | John Tyndall - 1863 - عدد الصفحات: 500
...raise a pound weight 772 feet high, or it would raise 772 Ibs. one foot high. The term ' foot-pound ' has been introduced to express, in a convenient way,...raise the temperature of a pound of water one degree being taken as a standard, 772 foot-pounds-constitute what is called the mechanical equivalent of heat.... | |
 | 1864 - عدد الصفحات: 670
...foot-pound," has been introduced to express the lifting of one pound to the height of one foot. And the quantity of heat necessary to raise the temperature of a pound of water one degree being taken as the standard of measurement, 772 foot-pounds constitute what 18 termed the " mechanical... | |
 | Edward Livingston Youmans, William Robert Grove - 1865 - عدد الصفحات: 512
...by the consumption of heat, for each foot-pound thus gained a definite quantity of heat disappears. The quantity of heat necessary to raise the temperature of a pound of water a degree of the centigrade thermometer, corresponds to a mechanical force by which a pound weight would... | |
 | 1866 - عدد الصفحات: 632
...would raise seven hundred and seventy-two pounds, one foot high. The term " foot-pound" has therefore been introduced to express in a convenient way the...temperature of a pound of water one degree Fahrenheit beiap taken as a standard, seven hundred and seveuty-two foot-pounds constitute what is called the... | |
 | John Tyndall - 1866 - عدد الصفحات: 492
...raise a pound weight 772 feet high, or it would raise 772 lbs. one foot high. The term ' foot-pound ' has been introduced to express, in a convenient way,...raise the temperature of a pound of water One degree being taken as a standard, 772 foot-pounds constitute what is called the mechanical equivalent of heat.... | |
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foot-pound " has been introduced to express in a convenient way the lifting of one pound to the height of a foot. Thus, the quantity of heat necessary to raise the temperature of a pound of water one degree Fahrenheit being taken as a standard, 772 foot-pounds... 
