The elements of natural philosophy : copiously illustrated by familiar experiments and containing descriptions of instruments, with directions for using : designed for the use of schools and academies (1856)
Sprague, A. W. (Alfred White), 1821-1891 · Boston : Phillips, Sampson & Company · leaf 246
the warmer portion,■which may be made perceptible, provided the metal be a poorconductor of heat, as in the case of platinum. 213. A thermo-electric battery of considerable power maybe constructed, by soldering together alternate plates of Germansilver and brass or antimony, at such an angle as to… … series, an electric floAV will take place proportioned to the num-ber of the series and the degree of heat. Such an arrange-ment, formed by small bars of bismuth and antimony, becomesfar more sensitive to the effects of heat than either the mer-curial or air thermometer ; so that even the radiant…
Physics
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