On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 168
... wire in the light . Its shadow will be found to consist of a bright white bar or stripe in the middle , with a series of alternate black and brightly - coloured stripes on each side . The rays which bend round the wire in two streams ...
... wire in the light . Its shadow will be found to consist of a bright white bar or stripe in the middle , with a series of alternate black and brightly - coloured stripes on each side . The rays which bend round the wire in two streams ...
Page 182
... obstruction of one of these flattened beams by the tourmaline is similar to the facility with which a card may be passed between the bars of a grating or wires of a cage , if presented edgeways 182 SECT . XXI . POLARIZED LIGHT .
... obstruction of one of these flattened beams by the tourmaline is similar to the facility with which a card may be passed between the bars of a grating or wires of a cage , if presented edgeways 182 SECT . XXI . POLARIZED LIGHT .
Page 183
Mary Somerville. grating or wires of a cage , if presented edgeways , and the impos- sibility of its passing in a transverse direction . Although it generally happens that a ray of light , in passing through Iceland spar , is separated ...
Mary Somerville. grating or wires of a cage , if presented edgeways , and the impos- sibility of its passing in a transverse direction . Although it generally happens that a ray of light , in passing through Iceland spar , is separated ...
Page 201
... wires covering the object glass of a telescope . In this spectrum , formed independently of prismatic refraction , the positions of the coloured rays depend only on the lengths of their waves , and M. Fraunhofer found that the intervals ...
... wires covering the object glass of a telescope . In this spectrum , formed independently of prismatic refraction , the positions of the coloured rays depend only on the lengths of their waves , and M. Fraunhofer found that the intervals ...
Page 223
... wire , or by reflection from a polished surface of steel , having fine parallel lines drawn on it . This diffracted spectrum is divided into two equal parts in the centre of the yellow ; and as in the prismatic spectrum , one half is ...
... wire , or by reflection from a polished surface of steel , having fine parallel lines drawn on it . This diffracted spectrum is divided into two equal parts in the centre of the yellow ; and as in the prismatic spectrum , one half is ...
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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