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 143
fore. On the opposite side of the pole, thelamp would have no tendency to produce revolutioij;though, if the arch were mounted on the south pole,the lamp should be on the farther side of the mag-net, and in a line with that pole, in order to causerotation. 201. Thermo-Electric Revolving Wire… … T H E RM O —E L E C TRI C ARCH. 127 instrument last described, crossing each other at rightangles; and they act on the same principle as that,Fie;. 76, ^^^ second rectangle only contrib- uting to the rotation produced bys the first. In each individual rect-angle the current is reversed everyq half…
