## Philosophical MagazineTaylor & Francis., 1912 - Physics |

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Page 492

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**equation**( 17 ) as independent of the temperature , the**equation**reduces to the simpler form - A ( + ps ( ) = 1 / ( +1 ) 716 ( 4 , p , 0 ) — yat ( TT — log :) - p , t ) Lot - t - T T Tp ) Flot 01 ( 1 − T ) Tt - • • ( 18 ) T warm For ...Page 493

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**equation**( 16 ) will depend upon several factors . Speaking generally , we may say that its retention in the**equation**is justifiable only in the case of strong solu- tions at low temperatures ( when do is a fairly large fraction of the ...Page 802

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**equation**DF = C , ( VI . ) in which C is the current - quaternion , as defined by ( 10 ) . Thus , the whole system of four**equations**( 18 ) , the funda- mental**equations**of the electron theory , are represented by one quaternionic**equation**...### Contents

SIXTH SERIES | 1 |

Dr Herbert Stansfield and Mr H P Walmsley on Changes | 25 |

Dr J R Ashworth on the Magnetic Temperature Coefficients | 36 |

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absorption actinium æther alpha rays aluminium angle apparatus approximately assumption atom bands calculated carbon carriers cathode cent charge chlorine coefficient collision constant contact difference corresponding curve deflexion delta rays density determined difference of potential distance drops effect electric electrometer electrons electroscope emission emitted energy equal equation equilibrium ethyl bromide expansion experimental experiments field flame formula gases give given glass heat hydrogen increase intensity ionization ionization current ionization produced isoclinic lines J. J. Thomson light liquid magnetic maximum means measured mercury metal method millimetres molecules motion number of ions observed obtained paper particles Phil plate platinum polonium positive potential difference pressure quantity quartz quaternion radiation radioactive radium ratio reflexion salt secondary shown solution spectrum strip strontium suppose surface Table temperature theory thorium tube values vapour velocity vessel volts wave-length zero