On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 210
... refrangible end of the spectrum . Mr. Hunt also found that on the Daguerreotype plate a powerful protecting influence is exer- cised by the extreme red rays . In these cases the red and those dark rays beyond them exert an action of an ...
... refrangible end of the spectrum . Mr. Hunt also found that on the Daguerreotype plate a powerful protecting influence is exer- cised by the extreme red rays . In these cases the red and those dark rays beyond them exert an action of an ...
Page 211
... refrangible rays and considerably beyond them , thus inducing a negative action in the most refrangible part of the spectrum . In certain circumstances the red rays , instead of restoring darkened photographic paper to its original ...
... refrangible rays and considerably beyond them , thus inducing a negative action in the most refrangible part of the spectrum . In certain circumstances the red rays , instead of restoring darkened photographic paper to its original ...
Page 212
... refrangible part of the spectrum over the more refrangible portion by means of two prisms ; and he thus discovered that two rays of different refran- gibility , and therefore of different lengths of undulation , acting simultaneously ...
... refrangible part of the spectrum over the more refrangible portion by means of two prisms ; and he thus discovered that two rays of different refran- gibility , and therefore of different lengths of undulation , acting simultaneously ...
Page 214
... refrangible calorific rays , it has the property of excluding the whole of the most refrangible part of the solar spectrum , visible and invisible . Green mica , if not too thin , has also the same effect , whereas amethyst , deep blue ...
... refrangible calorific rays , it has the property of excluding the whole of the most refrangible part of the solar spectrum , visible and invisible . Green mica , if not too thin , has also the same effect , whereas amethyst , deep blue ...
Page 215
... refrangibility , and that those beyond the extreme red are less refrangible than any rays of light . Since Sir William Herschel's time it has been dis- covered that the calorific spectrum exceeds the luminous one in length in the ratio ...
... refrangibility , and that those beyond the extreme red are less refrangible than any rays of light . Since Sir William Herschel's time it has been dis- covered that the calorific spectrum exceeds the luminous one in length in the ratio ...
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Common terms and phrases
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