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Lectures on light, delivered in the United States in 1872-'73; with an appendix (1873)

Tyndall, John, 1820-1893 · New York, Appleton · leaf 104

An illustration from Lectures on light, delivered in the United States in 1872-'73; with an appendix, 1873, leaf 104
is justified by experiment. (Figs. 15 and 16.) I have said that the whole of the beam reflectedfrom glass at the polarizing angle is polarized; a wordmust now be added regarding the larger portion ofthe light transmitted by the glass. Tlie transmit-ted beam contains a quantity of polarized light… … (B Is the birefracting spar, diTiding the Incident light Into the two beams oand e. G is the mirror.) The beam is here reflected laterally. When the re-flection is upwards, the other beam is reflected a8 shown in Fig. 16. FiQ. 16.

Optics

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