Light visible and invisible : a series of lectures delivered at the Royal Institution of Great Britain, at Christmas, 1896 (1897)
Thompson, Silvanus Phillips, 1851-1916, Royal Institution of Great Britain · New York : Macmillan · leaf 237
ls.There is a small gap between which the sparks are seento pass. But each such spark is really a series of oscil-lations ; the electric discharge oscillating backwards andforwards, not simply across the gap where you see thespark, but from one end to the other of the apparatus.Suppose the coil to… … OSCILLATOR. Fig. 115. RESONATOR. The charge rushes from A to B, and in so doing over-charges B, making it positive, while leaving A negative.At once the charge surges back again from B to A, andagain back to B, each oscillation lasting only about theone hundred-millionth part of a second. The…
Light · X-rays
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