VI CONTENTS. 



CHAPTEE IV. 



TABULAR DATA. 



PAGE 



Kcsistance of Metals and usual Alloys at Centigrade (Matthiessen) 

 Relative Conductivity of Metals compared to that of Pure Silver and 

 Pure Copper (Lazare Weiller) Influence of the Temperature on 

 the Resistance of Metals (Matthiessen) Conductivity of Metals 

 Influence of the Temperature on the Resistance and Conductivity of 

 Pure Copper Resistance of Pure Copper Wires and Bars at Centi- 

 grade Conductivity of Copper alloyed with Foreign Substances 

 (Matthiessen) Relative Conductivity of Copper from various Origins 

 (Matthiessen) Influence of the Protoxide Resistance of Various 

 Liquids Specific Resistances of Solutions of Sulphate of Copper at 

 10 Centigrade (Ewin J. MacGregor) Specific Resistance of 

 Solutions of Sulphate of Copper (Fleeming Jenkin) Wiedmann's 

 Experiments (1856) Specific Resistance of Solutions of Sulphuric 

 Acid (Fleeming Jenkin) Ditto (Matthiessen) Specific Resistance 

 of Nitric Acid (Density = 1'36) Conductivity of Solutions of 

 Chloride of Sodium at 13 Centigrade (Matthiessen) Specific 

 Resistance of Various Liquids Chemical and Electro-Chemical 

 Equivalents Formation of the Principal Oxides Ditto, Cyanides 

 Ditto, Chlorides Ditto, Bromides (Liquid Bromine) Ditto, 

 Iodides (Solid Iodine) Ditto, Sulphur Metallic Compounds For- 

 mation of the Principal Metalloid Compounds Formation of 

 Ammoniacal Compounds Formation of some of the Principal Salts 

 Dissolved or Precipitated by means of Acids Formation of Dissolved 

 Salts Various Acids Motive Power required for the Electrolytical 

 Separation of Metals from their Saline Solutions Limits of Electro- 

 lysis (from M. Berthelot's Experiments) .. .. .. .. 43 



