Davis's manual of magnetism : including galvanism, magnetism, electro-magnetism, electro-dynamics, magneto-electricity, and thermo-electricity (1854)
Davis, Daniel · Boston : Palmer and Hall · leaf 98
ut in each cavity, in order to facili-tate the conduction of heat from the metals to the ther-mometers. The galvanic current being sent throughthe metals, in the direction indicated by the arrows,from the bismuth B^, through the antimony, to theother bar of bismuth, and thence back to the… … 82 D A V I S S MANUAL. current, the effect on the two thermometers will bereversed. 133. The elevation of temperatm-e produced isalways greater than the depression; this diflferenceis probably due to the low conducting power ofthe metals for electricity, which causes them to be-come slightly heated…