## Philosophical MagazineTaylor & Francis., 1898 - Physics |

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Page 236

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**isomorphisms**of G to itself are said to be contragredient . Two simple**isomorphisms**of G to itself which cannot be transformed into each other may be called distinct . Hence , the number of distinct**isomorphisms**of G is equal to the ...Page 237

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**isomorphisms**of G to itself . In fact , a subgroup belonging to any one of the seven types that have been defined must correspond to one of the same type in every simple**isomorphism**. As the cogredient**isomorphisms**correspond to a ...Page 239

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**isomorphisms**of R to itself can be obtained by transforming the identical**isomorphism**, we need to transform only one of the two constituent groups in any one such**isomorphism**in order to obtain all the others . We shall see in the next ...### Contents

CONTENTS OF VOL XLV | 1 |

F Brush on the Transmission of Radiant Heat | 31 |

Mr W H Macaulay on the Stresses and Deflection | 42 |

38 other sections not shown

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accuracy acid adjusted æther alternating currents aluminium amperes angle apparatus axis bars bulb calculated cathodic rays cell centim centre charge circuit cloud coil condenser constant cooling copper corresponding curve cylinder deflection deflexion determined disk distance effect electric electrification electrodes electrodynamometer electrolyte electrometer electromotive force equal equation error experiments film gases girder give given glass heat Hence hydrogen inductor integral intensity isomorphisms J. J. Thomson light lines Lord Kelvin Lord Rayleigh magnetic force means measured mercury metal method millimetre minute motion mutual inductances nearly negative observed obtained oxygen particle Phil plane plate platinum position potential pressure radius reflector resistance scale self-induction simple isomorphisms solution sphere spherometer subgroup substitutions surface temperature tensions thermometer thickness tube variation velocity verre dur vertical waves wire x-rays zero zinc