Pension: declined, 71; accepted, 72 Percy, Dr. John, Letter to, 253 Permeability, Magnetic, in crystals, 201 ---- ----, Research on, 206 Personal appearance, 4, 18, 74, 255 Phillips, Richard, 7, 44, 52, 54, 57, 59, 61, 84, 87, 193; letters to, 61, 109, 114, 194, 270, 277 Phosphorescence, Lectures on, 136, 219 Plücker, Julius: on magneto-optic action, 203; shows electric discharge, 240 Poetry by Faraday, 40, 47 Poisson: on Arago’s rotations, 107; on magnetic theory, 201 Polar forces in crystals, 94, 200, 202 Polemics in science hateful, 268 Poles are only doors, 141, 241 Politics, Indifference to, 19, 21, 33, 268 Pollock, Lady, Reminiscences by, 235, 254, 257 Practical applications of science, 63, 216, 224, 248, 259 Preaching, Style of, 293 Preservation of Raphael’s cartoons, 246 Prince Consort, H.R.H. the, 237, 257, 278 Principle of all dynamo machines, 216 Priority in discovery, 265 Professional work for fees, 51, 61, 274 ---- ---- relinquished, 61, 274, 275 Professorship of Chemistry at University College, The, 66, 277; declined, 66 Professorships at the Royal Institution, 36 Proportional judgment advocated, 242 Public Schools Commission, Evidence given before, 278 _Punch_, Caricature in, 252 Pusey and science, 65 Q. _Quarterly Journal of Science_, 39, 46, 75, 76, 82, 88, 92, 94, 104 Queen Victoria, 257, 297 R. Radiant matter, 40 Rain torpedo, The, 20 Ray-vibrations, Thoughts on, 193 Regelation of ice, 219 Reid, Miss, Reminiscences by, 223, 231 Religious belief, 51, 289, 291 Religious character, 71, 244, 245 Remuneration of science, 44, 68, 244, 274 Repulsions, magnetic, New, 190 Research, Royal Institution as place for, 37 ---- unhampered by other duties, 37 Researches, Original: the four degrees of, 241; Faraday’s first, 76; Faraday’s last, 220; division into periods, 75; summary of, 216 Residences: Weymouth Street, 2; Royal Institution, 13, 68; Hampton Court Cottage, 258 Retardation of discharge, 161 Riebau, George: Faraday’s employer, 3, 7, 22; Faraday apprenticed to, 51; letters and messages to, 29, 34 Ring, The famous experiment with the, 108 Robinson, H. Crabb, Reminiscences by, 8, 236 Röntgen on displacement currents, 166 Rotation of plane of polarisation of light, 177 Rotations, electromagnetic, Discovery of, 51, 83, 87 Royal Institution: foundation of, 35; Davy’s lectures at, 8, 36, 39; precarious state of, 22, 29, 35, 36, 68; laboratories of, 36; lectures at the, 37, 166; Christmas lectures, 33, 37, 61, 101, 233, 234, 235, 258; Friday night meetings, 33, 60, 100, 101, 149, 166, 170, 192, 203, 219, 220, 225, 232, 236, 259; Presidency offered and declined, 255