Researches on Diamagnetism and Magne-crystallic Action: Including the Question of Diamagnetic PolarityLongmans, Green, and Company, 1870 - 361 страници |
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Страница 8
... opposite was found to be repelled . To the naked eye the crystal appeared clean and clear . On examination , however , under a powerful microscope , the side of the crystal from which the magnetic splinter was taken was found dotted ...
... opposite was found to be repelled . To the naked eye the crystal appeared clean and clear . On examination , however , under a powerful microscope , the side of the crystal from which the magnetic splinter was taken was found dotted ...
Страница 10
... opposite conclusion . We thought it worth while to send specimens of each to Berlin , so as to have them examined by Professor Dove , the author of the method by which we examined them . The crystals have been returned to us with a note ...
... opposite conclusion . We thought it worth while to send specimens of each to Berlin , so as to have them examined by Professor Dove , the author of the method by which we examined them . The crystals have been returned to us with a note ...
Страница 16
... opposite to that of the current which passes from the battery round the coils of the magnet . The effect of this induced cur- rent is to create a polar axis in the copper ; and when the di- rection of the current is considered , it is ...
... opposite to that of the current which passes from the battery round the coils of the magnet . The effect of this induced cur- rent is to create a polar axis in the copper ; and when the di- rection of the current is considered , it is ...
Страница 19
... opposite corners of the parallelopiped are a little flattened . Let the prism be hung with its axis horizontal and this flattening vertical , and after the evolution of the magnetic force let the oscillations of the prism be counted ...
... opposite corners of the parallelopiped are a little flattened . Let the prism be hung with its axis horizontal and this flattening vertical , and after the evolution of the magnetic force let the oscillations of the prism be counted ...
Страница 28
... opposite acute angles of 77 ° , being those of Iceland spar . Draw two lines , a little apart , parallel to opposite sides of the lozenge , and nearly through its centre ; and two others , the same distance apart , parallel to the other ...
... opposite acute angles of 77 ° , being those of Iceland spar . Draw two lines , a little apart , parallel to opposite sides of the lozenge , and nearly through its centre ; and two others , the same distance apart , parallel to the other ...
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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