Page:Collected Physical Papers.djvu/422

402 Index of refraction for light, effect of temperature on, 67

„„„„„, for different rays, 68

Inductoscripts, 221

Inorganic matter, response of, by conductivity variation, 253

„„,„„, by electromotive variation, 266

Invisible image, relapse of, 212

Iron-filings-receiver, effect of heat and mechanical vibration on, 158

„„„, characteristic curve of, 233, 240

, response of, to light, by electromotive variation, 325

„,„„,„„, by resistivity variation, 319

Light, conductivity variation induced by, 189

„, continuity of effect of, and electric radiation an inorganic receiver, 163

„, effect in allotropic modification of, 141

„,„of continuous action of, 189

„,„„balanced by mechanical vibration, 206

„,„„short exposure of, on AgBr cell, 188

„, response of leaf to increasing intensity and duration of, 320

„, reversal in AgBr cell by, 190

„, electromotive variation curve due to, 213

, radio-molecular oscillation produced in, 152

Magnetic Crescograph and Radiometer, 357, 359

Mass action, 133

Mechanical Wave, model for, 78

„Lever Recorder, 261

„stimulation, electromotive force accompanying, 277

Molecular action, 134

„arrest, effect of poison on, 303

„oscillation, 153, 154, 155

„receiver, transition of from non-recovering to self-recovering, 170

action, theories of, 209

Photo-chemical induction, 215

„„, effect of intermittence in modifying the law of, 216

„„, modification by time-rate of, 218

Photo-electric cell, vegetable form of, 323

Photosynthetic Recorder, 331 Poison, effect of, on inorganic response, 274, 301

„,„, on plant response, 315

Plane of polarisation, rotation by twisted structure of, 107

Polarisation apparatus, for electric ray, 2, 91

Potassium receiver, negative response given by, 151

Method, response of leaf by, 317