The standard electrical dictionary : a popular encyclopaedia of words and terms used in the practice of electrical engineering (1898)
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940 · London : Crosby Lockwood and Son · leaf 474
was so thin as to be translucent. Throughthis metallic layer a current could be induced in the wire in itsinterior. Any mechanical layer of metal took up the inductionitself, and protected the central wire. This gave a clue to thethickness of metal penetrated by the rapid induced waves used byDr.… … Electrical Resonance Exciter. in its discharge a series of isochronous discharges takes place, alter-nating in direction. The period of duration 7 of a single one isgiven by the formula T= 2 7t ^ZLC, in which C is the capacityand L is the self-induction. The spheres may be 30 centimeters(11.8…
Electricity
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