Elementary treatise on physics experimental and applied for the use of colleges and schools (1890)
Ganot, A. (Adolphe), 1804-1887, Atkinson, E. (Edmund) · New York : W. Wood · leaf 991
st marked in antimony among positivemetals, and in iron ; it is a sort of electrical convection of heat; in copperthe positive current carries electricity along with it more readily than iron ;it has, in short, a greater specific lieat of electficity.… … Fig. 949. 951. Rbeostat.—A Rheostat is an instrument by which the resistanceof any given circuit can be increased or diminished without opening thecircuit. The original form invented by Wheatstone consists of two parallelcylinders, one, A, of brass, the other,B, of wood (fig. 949). In the…
Physics
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