Text-book of general physics, for the use of colleges and scientific schools (1899)
Hastings, Charles Sheldon · Boston: Ginn & company · leaf 753
A N P Fig. 488. cidence. On rotating the analyzer 90° the cross appearswhite, and the colors change to their complementary value. The analogous but more complicated phenomena presentedby biaxial crystals are shown in Fig. 489. The succession … Fig. 489. of forms illustrates the changes which occur as the crystalsection is rotated 45° between the crossed polarizer andanalyzer. The appearance of these figures is so varied andcharacteristic as to furnish, in practically all cases, a satis-factory means of identifying any doubly refracting…
Physics
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