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 245
iagram (Fig. 121) depicts two forms of 222 LIGHT LECT. oscillator used by Professor Oliver Lodge, of Liverpool.Here is a well-polished metal ball supported betweentwo smaller balls that nearly touch it, one on each side.When a discharge is made through this central ball, anelectric charge surges…
Light · X-rays
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