On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 289
... bismuth , the spark was yellowish and extremely pale . Sir Humphry thence concluded that " electrical light principally depends upon some properties belonging to the ponderable matter through which it passes , and that space is capable ...
... bismuth , the spark was yellowish and extremely pale . Sir Humphry thence concluded that " electrical light principally depends upon some properties belonging to the ponderable matter through which it passes , and that space is capable ...
Page 302
... bismuth be joined to a semicircle of anti- mony , an electric current in passing through it produces cold where it passes from the bismuth to the antimony by absorption , and heat where it passes from the antimony to the bismuth . The ...
... bismuth be joined to a semicircle of anti- mony , an electric current in passing through it produces cold where it passes from the bismuth to the antimony by absorption , and heat where it passes from the antimony to the bismuth . The ...
Page 303
... bismuth , and lead , in a melted state , gives similar results ; but the number , position , and colour of the lines vary so much in each case , and the appearances are so different , that the metals may easily be distin- guished from ...
... bismuth , and lead , in a melted state , gives similar results ; but the number , position , and colour of the lines vary so much in each case , and the appearances are so different , that the metals may easily be distin- guished from ...
Page 332
... a circuit formed of two solid conductors . For example , when a semicircle of bismuth , joined to a semicircle of antimony , so as to form a ring , is heated at one of the junctions by 332 SECT . XXXIII . ARAGO'S EXPERIMENT .
... a circuit formed of two solid conductors . For example , when a semicircle of bismuth , joined to a semicircle of antimony , so as to form a ring , is heated at one of the junctions by 332 SECT . XXXIII . ARAGO'S EXPERIMENT .
Page 333
... bismuth ; and such thermo - electric currents produce all the elec- tro - magnetic effects . A compass needle , placed either within or without the circuit , and at a small distance from it , is deflected from its natural position , in ...
... bismuth ; and such thermo - electric currents produce all the elec- tro - magnetic effects . A compass needle , placed either within or without the circuit , and at a small distance from it , is deflected from its natural position , 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