Index 



Crookes's tubes, discharge in 



920 



Current distribution 660 

 in networks 662 



- energy, measurement 705 



- strength, measurement 693 

 Currents (general) 629 



-, action on magnets 829 



-, divided 662 



-, effect of induction and 



capacity 843 

 -, heating effect 705 



- of high frequency 850 

 -, induced 835 



by rotation 839 



- and magnets, mutual action 



829 

 -, mutual action 826 



from primary cells 644 

 -, production 631 



-, - by magnets 837 

 -, regulators for 740 

 -, special dynamical theories 



831 



-, thermoelectric 699 

 -, variable, apparatus for 



measuring 738 



Daniell cells 642 

 Deflection of cathode rays 922 

 Density of electric charge 574 

 Depolarisation, electrolytic 799 

 Deposits, properties of electro- 

 lytic 810 



Diamagnetic polarity 625 

 Diamagnetism 625 



- of various substances 625 

 -, theories 627 

 Diaphragm current 812 

 Dielectric constants 581 

 , measurement 582 



- - of various substances 



583 



- hysteresis 584 



- polarisation 578 



- properties of bodies 577 



- strength 577 



- stress 581 

 Dielectrics 577 

 -, viscosity 585 



Diffusion, electrolytic theories 



817 



Diplex telegraphy 854 

 Discharge (general) 892 

 -, disruptive 902 



in gases in magnetic field 



686 

 -, ionisation by 895 



- of Leyden jar 909 



-, mechanical action 911 



in various media 893 

 -, oscillatory 908 



-, photolectric 925 



- from points 901 



- in rarefied gases 685, 914 

 Disintegration by sparks 911 

 Disruptive discharge 902 



Dissociation of electrolytes 814 

 Distance of sparking 907 

 Distribution, electric 566 



- of energy 717 

 -, magnetic 600 



- by transformers 753 

 Divided currents 662 

 Double refraction due to electro- 



and magneto-striction 



887 



Doubler 743 

 Dropping electrodes 793 

 Dry cells 638 

 Duplex telegraphy 858 

 Dynamo armatures 763 

 Dynamos 762 

 -, efficiency 765 

 -, forms 766 

 -, power 769 

 -, theory 770 



Earth, conductivity 854 

 Eddy currents 838 

 Edlund's ether theory 821 

 Effect of temperature on mag- 

 nets 620 

 Efficiency of dynamos 765 



- - motors 774 



Elastic and magnetic pro- 

 perties, relations 619 

 Electric balance 725 



- charge and distribution 565 



- convection 832 



- distribution 566 



- double refraction 887 



- field 574 



flow in circuits 842 



condensers 843 



-, effect of capacity 842 



-, and self-induction 



842 



-, induction 844 



-, magnetic field 846 



-, self-induction 845 



force 567 



-, law 568 



furnaces 782 



heating 783 



images 566 



induction 574 



-, theory 576 



lamps 776 



light 778 



lighting 779 



and magnetic fields, in- 

 fluence on light, general 

 886 



meters 726 



oscillations 908 



osmose 812 



potential 568 



separation 561 



shadows 894 



traction 714 



transmission of energy 715 



units 557 



II 



Electric welding 783 

 Electricity (general) 551 

 -, applications 712 

 -, atmospheric 587 

 -, experiments 551 



- and light, relations 884 

 -, magnetisation by 595 



- and magnetism, general 552 



- as motive power 774 



-, passage through gases 898 

 -, (general) theories 552 

 -, theories 561 

 -, velocity 631 

 Electrification by condensation 



of vapour 564 

 evaporation 564 



- - friction 562 



-, various sources 564 



- by steam 563 

 Electrocapillary phenomena 



803 

 Electrochemical action 792 



- equivalents 790 



- series 790 

 Electrodes 793, 799 

 Electrodynamic analogies 820 



- equations 821 



- -, Maxwell's 822 



- field, equations 553 



- induction 822 



- phenomena, energy in 873 

 Electrodynamics (general) 818 

 -, laws 823 



.-, Maxwell's theory 823 

 -, Poynting's theory 824 

 -, theories 820 

 Electrodynamometers 727 

 Electrolysis (general) 784 

 -, alternate current 784 

 -, apparatus 784 

 -, calorific phenomena in 785 

 -, effect of magnetic field 789 

 -, Faraday's law 791 

 -, luminous phenomena in 785 

 -, minimum electromotive 



force 796 

 -, secondary actions 797 



- of various substances 787 

 -, theories 813 



- of water 787 

 Electrolytes 788 



-, dissociation 814 

 -, mixed 796 



Electrolytic deposits, properties 

 810 



- figures 811 



- polarisation 797 



- theories of diffusion 817 



- theory of solutions 816 

 Electromagnetic motors 774 



- radiations 883 



- resonators 881 



- rotations 825 



- theory of light 883 



- vibrators 881 



- waves 873, 875 



- -, interference 877 



