Mathematical and Physical Papers, Volume 2University Press, 1884 - Mathematics |
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Page 18
... described in the time T , we have e = n , ( r . Ω.Τ ( T- T T12 32,400,000 ) . To test this conclusion for the case of the earth , let T denote the number of revolutions round the Sun in the time T. Then , if the unit in which T is ...
... described in the time T , we have e = n , ( r . Ω.Τ ( T- T T12 32,400,000 ) . To test this conclusion for the case of the earth , let T denote the number of revolutions round the Sun in the time T. Then , if the unit in which T is ...
Page 105
... described , is to have the twenty - six letters of the alphabet written on the scale of which the image in the suspended mirror is observed , and to arrange thirteen positive and thirteen negative strengths of electric operation , which ...
... described , is to have the twenty - six letters of the alphabet written on the scale of which the image in the suspended mirror is observed , and to arrange thirteen positive and thirteen negative strengths of electric operation , which ...
Page 107
... described in my last communication ; but experience will be necessary to test whether or not the precision of adjustment in the operations required to obtain the advantages which the theory indicates , can be attained in practice when ...
... described in my last communication ; but experience will be necessary to test whether or not the precision of adjustment in the operations required to obtain the advantages which the theory indicates , can be attained in practice when ...
Page 108
... described , may be made to follow one another more rapidly than to admit of being read off by an observer watching the image of a scale in a suspended mirror ; and a new plan of receiving and recording the indications becomes necessary ...
... described , may be made to follow one another more rapidly than to admit of being read off by an observer watching the image of a scale in a suspended mirror ; and a new plan of receiving and recording the indications becomes necessary ...
Page 109
... , or by following up each electro - magnetic impulse by a weaker reverse impulse , so as approximately to fulfil the condition ( described in my former communication ) , of reducing LXXVII . ] 109 SIGNALLING BY THE ELECTRIC TELEGRAPH .
... , or by following up each electro - magnetic impulse by a weaker reverse impulse , so as approximately to fulfil the condition ( described in my former communication ) , of reducing LXXVII . ] 109 SIGNALLING BY THE ELECTRIC TELEGRAPH .
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applied Ave Maria Lane battery brass C. J. CLAY cable Cambridge University Press cells centims circuit CLAY & SONS coil College conductor copper slip copper wire Crown 8vo current entering curves deflection Demy 8vo diminished diminution direction dx² earth Edited electric conductivity electric currents electro-magnetic electrodes entering by end equal equation experiments galvanometer gutta-percha heat inch indicated induction insulated iron wire Joule junctions length magnetizing current magnetizing force magnetometer mechanical value metals meteors miles minute of current motion needle nickel Notes observed periods position potential energy residual magnetism resistance reverse Royal Society slips soft iron soldered specimens square St John's College stress submarine Sun's surface telegraph temperature testing conductor theory thermal thermo thermo-electric effect thermo-electric quality thermometers tion transverse tube University of Cambridge University Press Warehouse velocity weight wire zero zinc
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