( 4:; ) 



CHAPTER IV. 



TABULAR DATA. 



Resistance of Metals and usual Alloys Relative Conductivity of Metals 

 Influence of the Temperature on the Resistance of Metals and Pure 

 Copper Resistance of Pure Copper Wires and Bars Conductivity of 

 various Copers Resistance of various Saline Solutions Resistance of 

 various Acids Chemical and Electro-chemical Equivalents Heat De- 

 veloped by the Formation of the principal Binary and Ternary Com- 

 ]H)iuuls Motive Power required for the separation of various Metals from 

 (heir Solutions Limits of Electrolysis, Experiments of M. Berthclot. 



RESISTANCE OF METALS AND USUAL ALLOYS AT CENTIGRADE. 

 (Matthiessen.) 



