Introductory course of natural philosophy for the use of schools and academies. Ed. from Ganot's popular physics. By William G. Peck (1869)
Ganot, Adolphe, 1804-1887, Peck, William Guy, 1820-1892 · New York A.S. Barnes · leaf 319
ill in like maimer he reeomposed and a colorlessimage produced. 4. If a circular disk of card-hoard he painted as shown inFig. 207, in sectors, the colois being distributed accordingto intensity and tint, as in the spectrum, it will be found onrotating the disk rapidly by a piece of mechanism shown… … Fijr. 207. Fig. 2U6. that lasts for an appreciable length of time. In the experiment, therotation is so rapid that the impressions from all of the colors coexistat the same instant, and the effect is the same as though the colorswere mixed. That the impression produced by light lasts for an…
Physics
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