Six lectures on light : delivered in America in 1872-1878 (1886)
Tyndall, John, 1820-1893 · New York : D. Appleton · leaf 151
obtained, the axis of the crystal being then vertical,the bright and black images have changed places III. TESTED BY REFLECTION AND REFRACTION. 121 exactly as reasoning would have led us to suppose(fig. 33). Given the two beams transmitted through Icelandspar, it is perfectly manifest that we have…
Light
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