Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 655
nt is sent through the conductor, the needle is deflectedin one direction or the other, depending upon the directionof the current. The amount of deflection depends, of course, on thestrength of the current. In the year following the discovery of Oersted, Schweig-ger found that the power of the… … Compass tor projecting Oersted s Experiment nient and useful galvanometer for ordinary use, and for pro-jection, is shown in Fig. 6ii ; i showing the complete in-strument in perspective, 2 being a diagram of the circuits,and 3 being a transverse section oi the compass box. Thefoundation of this…
Physics · Lantern projection · Electric apparatus and appliances
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