Cyclopedia of applied electricity : a practical guide for electricians, mechanics, engineers, students, telegraph and telephone operators, and all others interested in electricity (1905)
American School (Chicago, Ill.) · Chicago : American School of Correspondence · leaf 373
s are assumed to be hemispherical or half-waves which slide over thesurface of the earth or sea; the illustrations. Fig. 11, A and 13respectively, show graphically these two view-points. Ilavincr ascertained the process by which low-voltage directcurrents are transformed into currents of high… … Fig. 11. Electric Wave Propagation. 341 12 WIRELESS TELEGRAPHY materials are transparent to electric waves, conductors of electricityhave the property of intercepting them, but this does not iniplythat they are forever lost, for conversely, they follow the well-known laws for the conservation of…
Electrical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
