Index 



535 



Metallic media, reflection of light from, 523, 



528 



,, ,, reflecting powers of, 524 



Mirror galvanometer, 425 

 Molecular theory of a dielectric, 126, 319 



of magnetism, 3, 406, 491 

 Moment of a magnet, 355 

 Momentum, generalised, 482 



,, electrokinetic, 486 



Mossotti's theory of dielectric action, 127 

 Multiple-valued potentials, 274, 418 



Network of conductors, steady currents in a, 



313 



,, oscillations in a, 486 



Neumann's law of current-induction, 442 



Oersted, 415 



Ohm's Law, 296, 331 



One-fluid theory of electrical phenomena, 19 



Oscillations in a network of conductors, 486 



Oscillatory discharge of a condenser, 449 



Parabolic cylinders (electrostatics), 262 

 Parallel-plate condenser, 74, 269 

 Paramagnetism, 398 

 Periodic changes in terrestrial magnetisni, 



390 



Permeability, magnetic, 398 

 Plane current-sheets, 469, 472 



semi-infinite (electrostatics), 263 

 ,, waves of light, 514 

 Points of equilibrium (electrostatic), 59 

 Poisson, equation of, 40 



equation of, for dielectrics, 120 

 imaginary magnetic matter, 364 

 theory of induced magnetism, 406 

 Polarisation, in a dielectric, 117 



of light, 516 

 Polarising angle, 521 

 Positive and negative electricity, 8, 21 

 Potential (electrostatic), 26, 31, 33, 43, 464 

 (magnetic), 359, 365 

 coefficients of, 93, 97 

 ,, in a Kiemann's space, 278 

 inside a magnetised body, 373 



of the Earth's magnetic field, 389 

 Practical units, 509 

 Pressure of radiation, 531 



Quadrant Electrometer, 107 

 Quadric, stress-, 147 



Quantity of electricity, measurement of, 7, 

 109, 426 



Radiation, pressure of, 531 

 Rapidly-alternating currents, 467, 489 

 Recalescence, temperature of, 400 

 Reciprocation-theorem (Green's), 92, 161 

 Reflection of light, 518, 519, 520 



metallic, 523, 528 

 Refraction of lines of force, 123, 402 



of lines of flow, 335 



of light, 516, 520 

 Refractive index, 513 

 Relaxation, time of (for a dielectric), 348 

 Representation, conformal, 259, 275 

 Residual discharge, 350 

 Resistance, of a conductor, 296, 303, 523 



,, specific, 331 

 Resistance-box, 303 

 Resolution of a magnetic particle, 361 

 Retentiveness, magnetic, 400, 410 

 Riemann's surface, 275 



Schwarz's transformation, 266 



Self-induction, 445 



Semi-infinite plane (electrostatics), 263 



Shell, magnetic, 365, 369, 415 



Signals, transmission of, along a cable, 321 



Sine-galvanometer, 424 



Soap-bubble, electrification of, 19, 85 



Solenoid, magnetic, 421 



Solenoidal vector, 156, 374 



Spherical condenser, 71, 99 



bowl (electrostatics), 245 



,, harmonics, 203 

 Spheroidal harmonics, 250 

 Stokes' Theorem, 376 



Stresses in the medium (electrostatic), 140, 

 144, 166, 173 



,, in the medium (magnetic), 140, 404, 



531 



Submarine cable, 79, 308, 321, 340 

 Superposition of electrostatic fields, 90, 187 

 Susceptibility, magnetic, 398 



Tangent galvanometer, 422 

 Telegraph-wire, capacity of, 191 

 Temperature, variation of magnetic coefficients 



with, 400 



Terrestrial magnetism, 388 

 Tesseral harmonics, 232 

 Theories to explain electrical phenomena, 3, 



19, 126, 138, 151 

 ,, to explain magnetic phenomena, 3, 



406, 430, 492 

 See also Electron-theory 

 Time of relaxation of a dielectric, 348 



