Elementary treatise on physics, experimental and applied, for the use of colleges and schools (1898)
Ganot, A. (Adolphe), 1804-1887 · London, Longmans, Green · leaf 662
e body is placed on a stirrup interposed between the two rotating screens. The light cannot pass simultaneously through the opposite apertures of the sides A and B, because one of the closed parts of the screen MM, or of the screen PP, is always between them. So that when a body, <2, is illuminated… … Fig. 628 a, it would not be illuminated, as the light would be intercepted^ the closed parts of a screen MM. The body a would alternately appear and disappear; it would disappear during the time of its being illuminated, and appear when it was no longer so. The time which elapses between the…
Physics
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