Electric Discharges, iv, 264-5, 267, 269, vii, 366; atmospheric, i, 157, 158-62; fog dispersal by, 94; in vacuums, iv, 317-18; nitrogen fixation by, viii, 73, 74, 346; rain-making by, i, 340; through gases, vii, 216, 301-2

Electric Energy, vii, 368; conversion into heat, 89, 303-5; due to difference of potential, iv, 263, 264, 265; equivalents, vii, 382; transmission (see Power Transmission); unit of, vi, 82; unit (joule), iv, 284, 294, 310, 312, vii, 370

How to Use the Popular Science Library; History of Science; General Index — Part 187

Electric Fishes, catfishes, xii, 161; electric eel, 160-1; torpedo fish, 149-50

How to Use the Popular Science Library; History of Science; General Index — Part 187

Electric Furnace, iv, 312, vii, 302-12; history and uses, xvi, 189-91; invented by Acheson, vii, 301; operation and products, viii, 283-4

How to Use the Popular Science Library; History of Science; General Index — Part 187

Electricity, iv, 256-321 vols. vi, vii; advantages in home and industry, vii, 51-2; animal (see Animal Electricity); atmospheric, i, 141-63, vii, 201-19, 362; attraction and repulsion law, iv, 256-8, 261, vi, 18, 122; basis of matter, iv, 23, vi, 107-8, 113, 118 (see Electron Theory); battleship applications, vii, 325-35; chemistry and, viii, 164 (see Electrochemistry); commercial units, iv, 312; conductors and nonconductors, 258-9, vi, 294-5 (see Conductors, Nonconductors); daily applications, xvi, 19, 20, 26-7, 30; defined, vii, 367; disadvantages in mines, v, 129; farm uses, vii, 220-34; flow, vi, 46, 67, 292-3; flow, direction of, iv, 265, vi, 56-7; frictional (see Frictional Electricity); history of development, iv, 52-5, vi, 9-26, xvi, 121-3, 188-92; home applications, vii, 73-90; identity of kinds, vi, 23; importance of understanding, 9-10, 64-6; late discovery and use, vii, 235; lightning and, vi, 10-11, 13-16; magnetism and, iv, 257, 276, vi, 12, 19-20, 21, 27-8, 86; "messenger" of physics, iv, 50; miscellaneous applications, vii, 336-59; name, origin of, iv, 256, vi, 12; not made, but moved, 46, 49, 72, 128; origin, latest views of, 105-25; physical effects of, x, 250, 254, xi, 117; popular applications of, iv, 10; positive and negative, i, 141, 142, iv, 258, 265, vi, 287; precise measurements, vii, 152; production of (see Electric Batteries, Generators, Power Plants); production by wind power, i, 38, v, 173; quantity unit, iv, 261, 277, 280, vii, 365, 374; science of power, xvi, 36-7; single-fluid theory, vi, 11, 288-93; static (see Static E.); transmission (see Power Transmission); uses and power, vi, 10; use in medicine (see Electro-therapeutics); wave lengths and frequency, vii, 260; wide familiarity with, 152-3; widespread interest in, vi, 330-1 (see further Electric Currents, Electric Power, Electromotive Force, etc)