Text-book of general physics, for the use of colleges and scientific schools (1899)
Hastings, Charles Sheldon · Boston: Ginn & company · leaf 751
Fig. 485. … 635. Double Refraction in Strained Trans-parent Substances. — Any unequal alteration inthe elasticity of a homogeneous transparentsolid by a stress produces a double refraction,which is easily recognized when the body is ex-amined by polarized light. Thus, for instance, if a block ofglass, held by…
Physics
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