A course of experiments in physical measurement (1897)
Whiting, Harold, d. 1895 · Boston, D.C. Heath and Co. · leaf 295
usuallyseen (Fig. 114). Theseare not, however, as oneis at first apt to suppose,simply so many views ofthe candle thiough themeshes of the handker-chief; for each image rep-resents the whole candle,and the distance betweenthe images is not onlydisproportionate to the size of the meshes, but… … t 129.] DIFFRACTION OF LIGHT. 265 latiou betwecQ the length of the waves of light andthe distance between the threads. The central image (a, Fig. 114) is the direct imageof the candle. It may be distinguished from theside images, a and a, for instance, botb by itsgreater distinctness and by the…
Physics
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