Schedule of Classification 



PAGE 



778-779 

 779-780 

 780-782 

 782 



782 



782-783 

 782-783 

 782-783 

 783 

 . 783 



Electric Light ... 

 Electric Lighting ... 

 Incandescent Lamps 

 Incandescent Lighting 

 Safety Lamps for Use 



Mines ... 

 6090 Electric Furnaces and Heat- 



ing ...... 



Electric Furnaces... 



Applications ... 

 Electric Heating 

 Electric Welding 



Electrolysis. 

 6200 General. (See also Physical 



Chemistry, 7255, etc.) 784-790 

 Alternate Current Electro- 



lysis ......... 784 



Apparatus. (For Volta- 



meters see 6010.) 784-785 



Calorific and Luminous 

 Phenomena in Electro- 

 lysis ......... 785 



Corrosion ...... 785-786 



Electrolysis of Various Sub- 



stances ... 787-788 



Water, Electrolysis 787-788 



Electrolytes ...... 788 



Magnetic Field, Effects ... 789 

 6210 Electrochemical Series and 

 Equivalents. Voltaic Po- 

 tential Differences 790-796 



Electrochemical Series ... 790 

 Electrochemical Equiva- 



lents ...... 790-791 



Faraday's Law ... ... 791 



Silver ......... 791 



Voltaic Potential Differ- 



ences ...... 791-796 



Electrochemical Action 792-793 

 Electrodes ...... 793 



Dropping Electrodes... 793 

 Electromotive Force of 



Contact ... 793-796 



Electromotive Force at 

 Contact of Electro- 

 lytes... ...... 794 



Electromotive Force at 



Contact of Metals 794-795 

 Electromotive Force at 

 Contact of Metals 

 and Electrolytes 795-796 

 Yalta's Contact Force, 



Modern Views ... 796 

 Minimum Electromotive 



Force of Electrolysis ... 796 

 6220 Mixed Electrolytes and 



Secondary Actions 796-797 



Mixed Electrolytes ... 796-797 

 Conductivity. (See also 

 6240.) ...... 796 



PAGE 



Secondary Actions ... 797 



6230 Polarisation and Passivity 797-802 

 Polarisation. (See also 



5610.) ...... 797-802 



Capacity ... ... 798 



Cells ......... 798 



Currents ...... 798-799 



Depolarisation ... ... 799 



Electrodes ...... 799 



Electromotive Force of 



Polarisation ...... 80O 



Polarisation of Metals 800-801 

 Polarisation of Various 



Substances ... 801-802 



Passivity ......... 802 



Iron ......... 802 



6235 Electrocapillary Phenomena. 



(See also 6245. ) . . . 803-804 



Capillary Electrometer. 



(See also 6005.) ...... 803 



Surface Tension ... ... 804 



Liquids under Electrifi- 



cation ..... : ... 804 



Mercury ......... 804 



6240 Conductivity. Migration of 



the Ions ...... 805-810 



Conductivity. (See also 



6220.) ...... 805-809 



Conduction ...... 805 



Conductivity of Various 



Substances... 805-808 



Solutions ... 805-807 



Conductivity and Vis- 



cosity, Relations ... 808 

 Effect of Temperature 808-809 

 Measurement of Conduc- 



tivity 



Migration of the Ions 

 Transport Numbers 

 Velocities of Ions 

 6242 Electrolytic Deposits, Pro- 



perties of ... 810-812 



Electrolytic Figures 811-812 



Guebhards Figures ... 811 

 Nobilts Rings ... 811-812 



6245 Electrical Osmose. Dia- 

 phragm Current. (See 

 also 6235.) ... 812-813 



Electrical Osmose ...... 812 



Diaphragm Current 812-813 



6250 Theories of Electrolysis. Dis- 



sociation of Electrolytes 813-816 

 Theories of Electrolysis 813-814 

 Dissociation of Electro- 



lytes ...... 814-816 



Theory of Solutions ... 816 

 6255 Concentration Cells. Theories 



relating to Diffusion 816-818 

 Concentration Cells 816-817 



Theories relating to Diffu- 



sion 817-818 



809-810 

 810 

 810 



