 | American Academy of Arts and Sciences - 1885 - 602 páginas
...universally adopted in heat and electricity. The method of Draper and Schwendler could be combined with the methods I have described above. For a practical...the formula JH= C*Rt, — would have a greater range than an incandescent strip of platinum placed in free air. The latter method, however, for the incandescence... | |
 | 1885 - 1118 páginas
...97-5 9.5 04 2(5-5 28-0 25-5 24-5 23-0 25-7 26-7 24-2 23-7 4»'o 48 60-5 51-5 53 50-3 49-3 51-8 52-3 carbon loop in an exhausted vessel raised to such...carbon loop, and also being measured by the formula JH = CJR<, would have a greater range than an incandescent strip of platinum placed in free air. The latter... | |
 | 1885 - 524 páginas
...96-5 24-5 51-5 62-5 96 23-0 53 GO-5 97 25-7 50-3 58-5 97-5 26-7 49-3 60 95 24-2 51-8 62-2 94 23-7 52-3 carbon loop in an exhausted vessel raised to such...carbon loop, and also being measured by the formula JH=C2Ri, would have a greater range than an incandescent strip of platinum placed in free air. The... | |
 | Institution of Electrical Engineers - 1885 - 668 páginas
...large change in the amount of heat received. In conclusion, the author thinks it possible to assume as a practical standard a carbon loop in an exhausted...thermopile at a definite distance from the carbon loop : this would have a greater range than an incandescent strip of platinnm placed in free air. The latter... | |
 | 1885 - 678 páginas
...large change in the amount of heat received. In conclusion, the author thinks it possible to assume as a practical standard a carbon loop in an exhausted...thermopile at a definite distance from the carbon loop: this would have a greater range than an incandescent strip of platinum placed in free air. The latter... | |
 | Institution of Civil Engineers (Great Britain) - 1885 - 538 páginas
...large change in the amount of heat received. In conclusion the Author thinks it possible to assume as a practical standard, a carbon loop in an exhausted vessel raised to Buch a point of incandescence that it will radiate a definite amount of energy, this energy being measured... | |
 | Institution of Civil Engineers (Great Britain) - 1885 - 518 páginas
...Author thinks it possible to assume as a practical standard, a carbon loop in an exhausted vessel i&ised to such a point of incandescence that it will radiate...thermopile at a definite distance from the carbon loop, this would have a greater range than an incandescent strip of platinum placed in free air. The latter... | |
 | Institution of Civil Engineers (Great Britain) - 1885 - 518 páginas
...large change in the amount of heat received. In conclusion the Author thinks it possible to assume as a practical standard, a carbon loop in an exhausted...thermopile at a definite distance from the carbon loop, this would have a greater range than an incandescent strip of platinum placed in free air. The latter... | |
 | Institution of Electrical Engineers - 1885 - 666 páginas
...large change in the amount of heat received. In conclusion, the author thinks it possible to assume as a practical standard a carbon loop in an exhausted...thermopile at a definite distance from the carbon loop: this would have a greater range than an incandescent strip of platinum placed in free air. The latter... | |
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One observer tested the light photometrically, whilst another observed the galvanometer, with the result that with similar photometric observations the thermopile indicated a large change in the amount of heat received. In conclusion the Author thinks... 