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 209
ss sheet. Theblue-violet picture at B sends its light down upon another obliquetransparent sheet at E, which reflects it through the sheet Dto the eye. The green picture at C is viewed through both thetransparent reflectors D and E. The lens F collects the rays forthe eye, which thus views the… … Fig. 107. the three disks partially overlap as in Fig. 107. Wherered and green mix they give us yellow; where green and blue - violet overlapthey give us a peacockblue ; where blue - violetand red overlap they giveus purple ; where all threeoverlap at the centre theygive us white. Note howthe tint…
Light · X-rays
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