INDEX OF SUBJECTS. 775 



PAGE 



Use of Galvanometers of High Resistance 422 



Measurement of Polarization 424 



Investigation of a Battery at Work 425 



Method of Discharges 426 



Seat of the Electromotive Force 428 



Measurement of the Electromotive Force of Contact 428 



Electromotive Force of Contact of Metal and Liquid 431 



Electromotive Force of Contact of Two Liquids 433 



Influence of the Medium 434 



Measurement of the Peltier Effect. Solids 437 



Peltier Effect in Solids and Liquids 438 



Measurement of the Thomson Effect 440 



Thermoelectric Electromotive Forces 441 



Thermoelectric Diagram 442 



Relation of Electromotive Force to Chemical Energy 444 



CHAPTER V. MEASUREMENT OF CAPACITY. 

 DIELECTRICS. 



Characteristics of Condensers 451 



Standards of Capacity 452 



Sliding Condensers . 455 



Comparison of Two Capacities. Methods of Opposition 456 



Platymeter 457 



Balance of Capacities 458 



Measurement of Capacities by Potentials 462 



Measurement of Capacities by Charges 463 



Intermittent Currents 466 



Direct Comparison of Capacities with Resistances . 468 



Comparison of a Capacity with a Coefficient of Mutual Induction .... 474 



Specific Inductive Capacity 475 



Electrostatic Induction Balance 477 



Gordon's Induction Balance 478 



Electrical Oscillations 479 



Action on a Dielectric Sphere 480 



Liquid and Gaseous Dielectrics 483 



Pyroelectricity 484 



Pyroelectrical Currents 489 



Piezoelectricity 490 



Charge of a Condenser and Capacity of Polarization 492 



CHAPTER VI. CONSTANTS OF COILS. 



Construction of Coils 497 



Magnetic Field of a Coil 499 



Surface of a Coil. Magnetic Moment 500 



