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Scientific American, Vol. 36, No. 24 (1877) (1877)
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mpty vessel a greater ca- pacity for heat. The heat thus produced was shown by expenditure is regulated by means of the galvanometer the latter, simple means being, and the thermo-clectric pile; =| provided whereby the supply the reason for that heat was may be diminished or shut off | differently… … tion, but the apparent results farmers, has only served t™ were different. © 1877 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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