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 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