## The London, Edinburgh and Dublin Philosophical Magazine and Journal of ScienceTaylor & Francis, 1891 |

### From inside the book

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Page 193

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**pole**, P , of the electromagnet . Then on exciting the magnet , it is found that if M be a piece of iron , it is drawn nearer the**pole**P , while if it be a piece of bismuth , it would be driven further away from it . P Ом The so ...Page 194

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**pole**of a magnet , are supposed to be attracted ; diamagnetic , those which , under the same circumstances , are supposed to be repelled . Fig . 4 . S R P I first of all deny that ( a ) can be correct . For let an ideal right circular ...Page 254

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**poles**P , Q exert equal forces , both attractive or both repulsive , on any third**pole**R from which they are equally distant , the**poles**P , Q , or the quantities of magnetism at P and Q are said to be equal . If the forces be equal ...### Contents

FIFTH SERIES | 1 |

JULY 1891 | 17 |

Mr S T Preston on an Acoustic Thermometera Suggestion | 58 |

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action allotropic atoms B.A. units bismuth body bulb c.c. of water calculated cent centim centimetres charges chemical chlorine circuit coefficient coil constant curve deflexion density diamagnetism diluted direction discharge dissociation distance effect elastic electricity electrolyte electromotive force energy equal equation error experimental experiments formula galvanometer give given hydrochloric acid hydrogen increase intensity ions J. J. Thomson latent heat length liquid Lupton magnetic force magnetic leakage mathematical Mean E.M.F. measured mercury metal method molecules motion negative node observed obtained paper Phil Pisati plate platinum pole position potential pressure primary quantity ratio reflector resistance rigidity salt secondary silver solid solitary wave solution strain substance sulphuric acid supposed surface Table temperature theory thermometer tion Tomlinson tube values vector potential velocity vibration Volts wave wave-length wire Young's modulus zero zinc