"Index of refraction" Quotes from Famous Books
 ... 2.83 times its breadth; but if Canada balsam is still used as the cement, the field will occupy a very unsymmetrical position in regard to the long axis. If balsam of copaiba is made use of, the index of refraction of which is 1.50, a symmetrical field of about 24 deg. will be obtained. A prism of this kind has also been designed by Prof. B. Hasert of Eisenach (Pogg. Ann., cxiii., 189), but its performance appears to be ...
— Scientific American Supplement, No. 441, June 14, 1884. • Various |
