Henry and Hora's modern electricity; a practical working encyclopedia (1915)
Henry, James. [from old catalog], Hora, Karel Jan, 1881- [from old catalog] joint author · Chicago, Laird & Lee, inc. · leaf 286
OSGILCATOR … „.- PARABOUCMIRROR Fig. 133. 284 MODERN ELECTRICITY used in connection with the transmitting and receiving stations.The effect of this Jong vertical wire is to increase the lengthof the electromagnetic waves set up in the ether, and thusenhance their power of penetrating obstacles, obstructing…
Electrical engineering
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