On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 159
... Colours of Bodies - Constitution of Light according to Sir David Brewster - New Colours Fraunhoffer's Dark Lines ... colour . Since the discovery of absorbent media , however , it appears that this is not the constitution of the ...
... Colours of Bodies - Constitution of Light according to Sir David Brewster - New Colours Fraunhoffer's Dark Lines ... colour . Since the discovery of absorbent media , however , it appears that this is not the constitution of the ...
Page 160
... colours of transparent media depend ; for they also receive their colour from their power of stopping or absorbing some of the colours of white light , and transmitting others . As , for example , black and red inks , though equally ...
... colours of transparent media depend ; for they also receive their colour from their power of stopping or absorbing some of the colours of white light , and transmitting others . As , for example , black and red inks , though equally ...
Page 161
... colour is in excess or defect . That since a certain portion of red , yellow , and blue rays constitute white light , the colour of any point of the spectrum may be considered as con- sisting of the predominating colour at that point ...
... colour is in excess or defect . That since a certain portion of red , yellow , and blue rays constitute white light , the colour of any point of the spectrum may be considered as con- sisting of the predominating colour at that point ...
Page 162
... colours of the Newtonian spectrum , Sir John Herschel has discovered a set of very dark red rays beyond the red ... colour . The most intense light is in the mean yellow ray , or , according to M. Fraunhofer , at the boundary of the ...
... colours of the Newtonian spectrum , Sir John Herschel has discovered a set of very dark red rays beyond the red ... colour . The most intense light is in the mean yellow ray , or , according to M. Fraunhofer , at the boundary of the ...
Page 164
... colours , and spread over a line of considerable length , while its breadth re- mains the same with that of the ... colour ( N. 195 ) . The achromatic telescope is constructed on this principle . It consists of a tube with an object ...
... colours , and spread over a line of considerable length , while its breadth re- mains the same with that of the ... colour ( N. 195 ) . The achromatic telescope is constructed on this principle . It consists of a tube with an object ...
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61 Cygni action appears atmosphere attraction bismuth bodies cause centre centrifugal force chemical colour comet consequently copper crystal dark degree density diamagnetic diameter diminishes direction disturbing double stars earth ecliptic effect electricity equal equator ethereal medium excentricity Fcap force glass gravitation greater heat hemisphere increase intensity Jupiter latitude length light lines liquid longitude luminous lunar magnetic major axis mass meridian metallic miles moon motion move nearly nebula nodal lines nodes northern hemisphere NOTE nutation observed optic axis orbit oscillations parallax paramagnetic particles passing perihelion periodic phenomena planets plate polarized pole position Post 8vo produced quantity rays reflected refraction refrangible revolution revolving right angles rings rotation round satellites Sir John Herschel solar spectrum space stars substances sun's surface telescope temperature terrestrial tion tourmaline transmitted tricity undulations Uranus vapour variation velocity vibrations Vols Voltaic waves wire Woodcuts