Researches on Diamagnetism and Magne-crystallic Action: Including the Question of Diamagnetic PolarityLongmans, Green, and Company, 1870 - 361 páginas |
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Página xiii
... greater attraction of the medium by which they are surrounded ? He tries the rarefaction of air , but finds the effect insensible . He is averse to ascribing a capacity of attraction to space , or to any hypothetical medium supposed to ...
... greater attraction of the medium by which they are surrounded ? He tries the rarefaction of air , but finds the effect insensible . He is averse to ascribing a capacity of attraction to space , or to any hypothetical medium supposed to ...
Página 9
... greater the number of examples the better ; as , if local impurity be present , it is thus more liable to detection . Our results with heavy spar have been confirmed by ten different crystals ; with cœlestine , by five ; and with topaz ...
... greater the number of examples the better ; as , if local impurity be present , it is thus more liable to detection . Our results with heavy spar have been confirmed by ten different crystals ; with cœlestine , by five ; and with topaz ...
Página 27
... greater energy along the fibre than across it . Anything , in short , that affects the mechanical arrangement of the particles will affect , in a corresponding degree , the line of elective polarity . There are crystals which are both ...
... greater energy along the fibre than across it . Anything , in short , that affects the mechanical arrangement of the particles will affect , in a corresponding degree , the line of elective polarity . There are crystals which are both ...
Página 28
... greater diagonal , the other along the less . A moment's consideration will suffice to show , that whatever be the number of small rhombuses supposed to stand upon the long diagonal , precisely the same number must fit along the short ...
... greater diagonal , the other along the less . A moment's consideration will suffice to show , that whatever be the number of small rhombuses supposed to stand upon the long diagonal , precisely the same number must fit along the short ...
Página 29
... greater diagonal a row of magnetic or diamagnetic molecules , the distance between each two being re- presented by the number 4 ; and along the short diagonal a row of molecules , the distance between each two being represented by the ...
... greater diagonal a row of magnetic or diamagnetic molecules , the distance between each two being re- presented by the number 4 ; and along the short diagonal a row of molecules , the distance between each two being represented by the ...
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action angles antimony attraction ball bar of bismuth battery beam carbonate of iron cause circuit cleavage coil copper copper wire cores Crown 8vo crystal cube cylinders deflection deportment diamagnetic bodies diamagnetic polarity diameter direction distance Edition effect electric current electro-magnet electromotive force exciting the magnet exhibited experiments Faraday fibre fluid force acting former galvanometer glass heat helix hence horizontal inch induced JOHN TYNDALL latter line of compression longest dimension magnetic bodies magnetic field magnetic force magnetic power magnetisation mass memoir metal molecular motion needle netic north pole observed obtained opposite optic axis parallel paramagnetic particles passed perpendicular phenomena Phil placed plane plate Plücker Poggendorff's Annalen pole to pole portion position prism produced repelled repulsion reverse rheostat set equatorial soft iron south pole spar sphere strength substance sulphate supposed suspended tangent galvanometer tion torsion balance tourmaline tube weight Woodcuts