On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 162
... blue cobalt glass . He has also found that beyond the extreme violet there are visible rays of a lavender gray colour , which may be seen by throwing the spectrum on a sheet of paper moistened by the carbonate of soda . The illuminating ...
... blue cobalt glass . He has also found that beyond the extreme violet there are visible rays of a lavender gray colour , which may be seen by throwing the spectrum on a sheet of paper moistened by the carbonate of soda . The illuminating ...
Page 163
... blue ; & in the indigo ; and Hin the violet . By means of these fixed points , M. Fraunhofer has ascertained from prismatic observation the refrangibility of seven of the principal rays in each of ten different substances solid and ...
... blue ; & in the indigo ; and Hin the violet . By means of these fixed points , M. Fraunhofer has ascertained from prismatic observation the refrangibility of seven of the principal rays in each of ten different substances solid and ...
Page 164
... blue end of the spectrum , where the undula- tions of the rays are least , the dispersion is greatest . Substances have very different dispersive powers ; that is to say , the spectra formed by two equal prisms of different substances ...
... blue end of the spectrum , where the undula- tions of the rays are least , the dispersion is greatest . Substances have very different dispersive powers ; that is to say , the spectra formed by two equal prisms of different substances ...
Page 165
... blue ; that of yellow is indigo ; of green , reddish white ; of blue , orange - red ; of violet , yellow ; and of white , black ; and vice versa . When the direct and accidental colours are of the same intensity , the accidental is then ...
... blue ; that of yellow is indigo ; of green , reddish white ; of blue , orange - red ; of violet , yellow ; and of white , black ; and vice versa . When the direct and accidental colours are of the same intensity , the accidental is then ...
Page 171
... blue , brilliant white , yellow , orange , and red . They are quite different in the other rings , and in the seventh the only colours are pale bluish green and very pale pink . That these rings are formed between the two surfaces in ...
... blue , brilliant white , yellow , orange , and red . They are quite different in the other rings , and in the seventh the only colours are pale bluish green and very pale pink . That these rings are formed between the two surfaces in ...
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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