Lectures on light, delivered in the United States in 1872-'73; with an appendix (1873)
Tyndall, John, 1820-1893 · New York, Appleton · leaf 111
round, the light passes. We have now tounderstand the mechanism by which this is efiected. Fio. II ANALYZER … Firstly, then, we have this first prism which receivesthe light emergent from the electric lamp, and which iscalled the polarizer. Then we have the plate of gypsum,placed at S (Fig. 17), and then the prism in front, whichis called the analyzer. On its emergence from the firstprism, the light is…
Optics
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