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 135
through. If I vibrate the cord in any way, it isonly the vertical components of the vibration that suc-ceed in getting through. The waves, after passingthrough the box, come out polarised in a vertical plane.If I turn the box over on its side (Fig. 70) it will nowtransmit only horizontal components… … vertical, it will polarise the waves vertically, and as thesewaves travel on they will come to the second box marked in POLARISATION OF LIGHT 5 A. If this also has its partitions vertical, the verticalwaves will get through it also. If both boxes are turnedover on their side, then the first one…
Light · X-rays
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