"Refrangibility" Quotes from Famous Books
 ... comparison with which that displayed in the fabrication of Mr. Newall's telescope were downright clumsiness, had striven to devise a seeing apparatus, capable of exact self-adjustment to all degrees of light, all gradations of distance, all varieties of refrangibility, it could not have adopted a contrivance more exquisitely ingenious, or evincing more minutely accurate knowledge of the most secret laws of optics, than the mechanism of the eye apparently betokens, let it still be admitted to be ...
— Old-Fashioned Ethics and Common-Sense Metaphysics - With Some of Their Applications • William Thomas Thornton
... upon the retina, but this image would be indistinct from the light not being sufficiently refracted, and likewise from having a colored fringe round its edges. This last effect is attributable to the refrangibility of light, that is, to some of the colors being more refracted than others. He likewise knows that more than a hundred years ago Mr. Dollond having found out, after many experiments, that some kinds of glass have the power of dispersing light, for ...
— Darwiniana - Essays and Reviews Pertaining to Darwinism • Asa Gray
... Stockholm Academy in 1853, he not only pointed out that the electric spark yields two superposed spectra, one from the metal of the electrode and the other from the gas in which it passes, but deduced from Euler's theory of resonance that an incandescent gas emits luminous rays of the same refrangibility as those which it can absorb. This statement, as Sir E. Sabine remarked when awarding him the Rumford medal of the Royal Society in 1872, contains a fundamental principle of spectrum analysis, and though for a number of years it was overlooked it entitles him to rank as one of the founders ...
— Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1 • Various |
