Signalling through space without wires : being a description of the work of Hertz & his successors (1900)
Lodge, Oliver, Sir, 1851-1940, Hertz, Heinrich, 1857-1894 · London : "The Electrician" Printing and Publishing Company, Limited · leaf 16
the JA atwhich true radiation of broken-off energy occurs. If the coat-ings of the jar are separated to a greater distance, so that thedielectric is more exposed, it radiates better; because in trueradiation the electrostatic and the magnetic energies mustbe equal, whereas in a ring circuit the… … Fig. 5.—Standard Hertz Radiator. Ordinary Size Hertz Vibrator. In consequence of its radiation of energy, its vibrations arerapidly damped, and it only gives some three or four good strongswings (Fig. 1). Hence it follows that it has a wide range ofexcitation; i.e., it can excite sparks in…
Electric waves · Telegraph, Wireless · Electricity · Wireless Technology
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