Duff, A. Wilmer (Alexander Wilmer), b. 1864, ed, Guthe, Karl Eugen, 1866-1915, Hallock, William, 1857-1913, Lewis, E. Percival (Exum Percival), 1863-1925, Goodspeed, Arthur W. (Arthur Willis), b. 1860, Carman, Albert Pruden, b. 1861, McClung, Robert Kenning, 1874- · Philadelphia, P. Blakiston's Son & Co · leaf 476
urpose of securing the proper angle of incidence on the balsamto produce this effect. The Foucault prism resembles that of Nicol, but the total re-flection is from an air film. This allows the prism to be madeshorter, but there is a greater loss of light by reflection* and asmaller field of view.… … Fig. 332. 458 LIGHT. to produce the polarized light, the other, the analyzer, which maybe set with its principal section at any desired angle with that ofthe polarizer, to test the incident light with respect to the natureand direction of its polarization. If any doubly-refracting sub-stance is…
Physics
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