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 131
nd right-and-left, I get right-and-left vibra-tions. If I move my hand obliquely to-and-fro, I produceoblique vibrations; and the cord transmits them all. Now, all that the word polarisation means is that the no LIGHT LECT. motions are being executed in some particular transversedirection. If the… … Fig. 66 right-and-left across the line of march. Can anything be simpler? Here is a lump of jelly. It will serve excellently to show how a polarised vibration is propagated. I stick into it horizontally two pins with silvered heads—one at one side, the other at theother. If I give a sudden
Light · X-rays
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