A text book of physics, for the use of students of science and engineering (1918)
Duncan, John, d. 1941, Starling, Sydney George, 1873- · London Macmillan · leaf 674
lcite, or Iceland spar, exhibits this doubly refractingproperty most strongly. Expt. 148.—Double refraction of calcite. Place a slab of calcite, madeby cleaving a natural crystal, on a piece of paper on which a dot has beenmarked at O (Fig. 596). OnI looking through the slab, twodots can be seen,… … ordinary rays are both plane Fig. 596.—Slab of calcite producing doublerefraction. polarised, and the plane in which the oscillations of the ordinary ray occur, is at right angles to that in which the oscillations of the extraordinary ray occur. Nicols prism.—For experimental purposes it is…
Physics
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