Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 319
Fig. 340.—Images produced by twomirrors placed at right angles. 308 REFLECTION OF Lir4HT: PLANE MIRRORS … Ima>;es produced places sliown in Fig. 341. They are all located on the circum-ference of a circle having the intersec-tion of the mirrors as its centre, and aninspection of the figure will show howto draw them. The kaleidoscope is a toy consisting ofa tube having in it three mirrors form-ing an…
Physics
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