Researches on Diamagnetism and Magne-crystallic Action: Including the Question of Diamagnetic PolarityLongmans, Green, and Company, 1870 - 361 páginas |
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Página 9
... diameter of a human hair . - Sugar . It is well known that this crystal forms a prism with six sides , two of which are generally very prominent , the principal cleavage being parallel to these two , and to the wedge - like edge which ...
... diameter of a human hair . - Sugar . It is well known that this crystal forms a prism with six sides , two of which are generally very prominent , the principal cleavage being parallel to these two , and to the wedge - like edge which ...
Página 17
... diameter strongly equatorial ; not by repulsion , but by the attraction of the iron wires passing through it . If , instead of iron , we use bismuth wire , the disc , on exciting the magnet , will turn into the axial position ; not by ...
... diameter strongly equatorial ; not by repulsion , but by the attraction of the iron wires passing through it . If , instead of iron , we use bismuth wire , the disc , on exciting the magnet , will turn into the axial position ; not by ...
Página 41
... diameter . The holes were diagonally opposite to each other , and through each a helix of copper wire was introduced and wedged fast . Each helix contained a core of soft iron , which was pushed so far forward that a line parallel to ...
... diameter . The holes were diagonally opposite to each other , and through each a helix of copper wire was introduced and wedged fast . Each helix contained a core of soft iron , which was pushed so far forward that a line parallel to ...
Página 44
... diameter . n = 3.3 . a tan a T ✓T n tan a 20 ° 0 ' 0.364 1.2 1.10 1.20 3045 0.595 3.0 1.73 1.96 41 20 0.880 8.0 2.83 2.90 54 0 1.376 21.0 4.58 4.54 A pair of sulphur balls were next taken of nearly twice the diameter of the preceding ...
... diameter . n = 3.3 . a tan a T ✓T n tan a 20 ° 0 ' 0.364 1.2 1.10 1.20 3045 0.595 3.0 1.73 1.96 41 20 0.880 8.0 2.83 2.90 54 0 1.376 21.0 4.58 4.54 A pair of sulphur balls were next taken of nearly twice the diameter of the preceding ...
Página 46
... diameter . n = 3.7 . α tan a T ✓T n tan a 20 ° 0.364 1.8 1.34 1.34 25 0.466 3.0 1.73 1.72 30 0.577 4.5 2.12 2.13 35 0.700 7 : 0 2.64 2.59 40 0.839 9.7 3.11 3.10 45 1.000 14.0 3.74 3.70 The spar from which these balls were taken was not ...
... diameter . n = 3.7 . α tan a T ✓T n tan a 20 ° 0.364 1.8 1.34 1.34 25 0.466 3.0 1.73 1.72 30 0.577 4.5 2.12 2.13 35 0.700 7 : 0 2.64 2.59 40 0.839 9.7 3.11 3.10 45 1.000 14.0 3.74 3.70 The spar from which these balls were taken was not ...
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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