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 of ...
... 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 of ...
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 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