Gage, Alfred P. (Alfred Payson), 1836-1903 · Boston, London, Ginn · leaf 427
r at right angles thereto. A and P (Fig. 312) represent two corks having Nicol prisms ex-tending through them lengthwise, P serving as a polarizer, and A 408 ETHER DYNAMICS. as an analyzer. If the analyzer A be turned so that its principalsection (see § 363) c d R is parallel to the principal… … if A be turned through an angle of 180° so as to bring the sameplanes parallel again. But if A be adjusted so that its principalsection is at right angles to that of the polarizer (as in the lower partof Fig. 312), then the ray is quenched by the prism A. No lightleaves the analyzer, and…
Physics
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