Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 509
h. For the high voltagecurrent the full length of wire is used single. Fig. 474 represents a Siemens polarized bell, in which aniron voke, in, is supported from the elongated ends of theyoke of the magnet, /, by two brass studs. The yoke, ;;/,supports the pivots of the bell armature, ;/, also the… … Simple Polarized Bell. the poles of the magnet, /, are fitted with a brass yoke,;«■, which supports an iron frame in which is pivotedthe armature, «, and to which the bell is attached. Thisframe has a socket, o, for receiving one of the poles of ahorseshoe magnet, /, the other pole of which touches…
Physics · Lantern projection · Electric apparatus and appliances
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