On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 167
... violet light be employed , the difference in the lengths of the two beams must be equal to the 0.0000157th part of an inch , in order to produce the same phenomena ; and for the other colours , the difference must be intermediate be ...
... violet light be employed , the difference in the lengths of the two beams must be equal to the 0.0000157th part of an inch , in order to produce the same phenomena ; and for the other colours , the difference must be intermediate be ...
Page 172
... violet light . Since one of the glasses is plane and the other spherical , it is evident that from the point of contact the space between them gradually increases in thickness all round , so that a certain thickness of air corresponds ...
... violet light . Since one of the glasses is plane and the other spherical , it is evident that from the point of contact the space between them gradually increases in thickness all round , so that a certain thickness of air corresponds ...
Page 173
... violet . The determination of these minute portions of time and space , both of which have a real existence , being the actual results of measurement , do as much honour to the genius of Newton as that of the law of gravitation . The ...
... violet . The determination of these minute portions of time and space , both of which have a real existence , being the actual results of measurement , do as much honour to the genius of Newton as that of the law of gravitation . The ...
Page 174
... violet . The tints of the coloured fringes from white light , and their obli- teration after the seventh ring , arise from the superposition of the different sets of fringes of all the coloured rays . The shadows of objects are also ...
... violet . The tints of the coloured fringes from white light , and their obli- teration after the seventh ring , arise from the superposition of the different sets of fringes of all the coloured rays . The shadows of objects are also ...
Page 177
... violet . The tints of the coloured fringes from white light , and their obli- teration after the seventh ring , arise from the superposition of the different sets of fringes of all the coloured rays . The shadows of objects are also ...
... violet . The tints of the coloured fringes from white light , and their obli- teration after the seventh ring , arise from the superposition of the different sets of fringes of all the coloured rays . The shadows of objects are also ...
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61 Cygni absorbed action appears atmosphere attraction bismuth blue bodies centre centrifugal force chemical circular polarization coloured rings comet consequently copper crystal dark density diamagnetic diameter diminishes direction distance disturbing earth ecliptic effect electricity equal equator ethereal medium excentricity experiments extreme force gravitation greater heat hemisphere increase intensity Jupiter latitude length lines liquid longitude luminous lunar magnetic mass mean meridian metallic miles molecules moon motion move nebula nodal lines nodes NOTE nutation observed optic axis orbit parallax paramagnetic particles passing perihelion period perpendicular phenomena plane polarized light pole position prism produced quantity rays reflected refraction refrangible retrograde motion revolution revolving right angles rotation round satellites Sir John Herschel solar spectrum sound space stars substances sun's surface telescope temperature terrestrial theory tion tourmaline transmitted tricity undulations Uranus vapour velocity vibrations violet visible Voltaic waves wire