A

• Abel, 240
  
• Acetylene gas, 219
  
• Acheson, 312
  
• Ægeans, 55, 56
  
• Aerial Age, 326
  
• Age of Bronze, 15
  
• Age of Copper, 15
  
• Age of Iron, 19
  
• Age of Steam, 179 et seq
  
• Air-brake, 278
  
• Air-pump, 142, 143
  
• Airships, 326
  
• Alchemy, 208
  
• Alexander, 69 to 97
  
• Alexandria, 77
  
• Alphabet, 58
  
• Aluminum, 213, 302
  
• AmpÈre, 198, 199
  
• Analine dyes, 265
  
• Antipyrene, 298
  
• Antiseptic surgery, 274
  
• Antitoxin, 328
  
• Appleby, 292
  
• Application of hot air to furnaces, 213
  
• Arago, 198
  
• Arc-light, 183, 235
  
• Archimedes, 78, 79, 149, 176
  
• Aristotle, 139
  
• Arithmetic, 35
  
• Arkwright, 172
  
• Artificial limbs, 239
  
• Artificial silk, 304
  
• Assur, 38
  
• Assyria, 39, 40
  
• Astrology, 31
  
• Astronomy, 24, 29
  
• Atlantic cable, 266
  
• Atomic Theory, 210
  
• Atwood's machine, 163
  
• Automatic arc-light, 235
  
• Automatic car-coupler, 285
  
• Automatic grain-binder, 273, 292
  
• Automatic piano, 221
  
• Autoplate, 318
  

B

• Babbage, 201
  
• Babbitt metal, 220
  
• Babylonian measures, 32
  
• Babylonian religion, 38
  
• Bacillus of cholera, 298
  
• Bacillus of diphtheria, 298
  
• Bacillus of hydrophobia, 298
  
• Bacillus of infantile paralysis, 329
  
• Bacillus of lockjaw, 298
  
• Bacillus of tuberculosis, 298
  
• Bacillus of typhus fever, 329
  
• Bacon, Francis, 139, 140, 162
  
• Bacon, Roger, 124
  
• Baldwin, 217
  
• Balista, 44
  
• Band wood-saw, 184, 302
  
• Barbed-wire fence, 273
  
• Barometer, 142
  
• Battle of the Nile, 189, 190
  
• Bazaine, 281
  
• BÉmont, 314
  
• Becquerel Rays, 313, 314
  
• Behel, 273
  
• Bell, 287, 302
  
• Berliner, 292
  
• Bernoulli, 164
  
• Bessemer's process, 248
  
• Bicycle, 265
  
• Bismarck, 283
  
• Black, 171, 175
  
• Blake telephone-transmitter, 294
  
• Bonaparte, 177, 178
  
• Bourdon, 244
  
• Bow and arrow, 4, 5
  
• Bowers, 302
  
• Boyle, 141
  
• Braithwaite, 214
  
• Branca, 152
  
• Brandenburg, 164
  
• Branly's coherer, 305
  
• Brewster, 186, 244
  
• Britain, 91, 92
  
• Brugnatelli, 182
  
• Buddhism, 39, 263
  
• Bullock, 274
  
• Bunsen, 266
  
• Burden, 218
  
• Burleigh, 275
  

C

• Cable-car, 265
  
• CÆsar, 7, 85 to 95, 279
  
• Calculating machine, 201
  
• Carbide of calcium, 273
  
• Carbolic acid, 218
  
• Carbon telephone-transmitter, 292
  
• Carborundum, 312
  
• CarrÉ, 269
  
• Carthage, 83, 84, 85
  
• Cartwright, 175
  
• Cash-carrier, 286
  
• Cash-register, 286
  
• Catapult, 44
  
• Cathode rays, 292
  
• Caus, 151
  
• Cavallo, 175
  
• Cavendish, 170, 171, 175
  
• Cawley, 153
  
• Celluloid, 284
  
• Cerebro-spinal meningitis antitoxin, 328
  
• Channing, 246
  
• Charlotte Dundas, 180
  
• Chemistry, 208
  
• Chloral hydrate, 217
  
• Chloroform, 215
  
• Christian Science, 277
  
• Christianity, 50, 263
  
• Chrome process of tanning, 302
  
• Cigarette machine, 291
  
• Circulation of blood, 140
  
• Civil War in America, 269 et seq
  
• Clay tablets, 24
  
• Clerk Maxwell, 284, 285
  
• Clermont, 180
  
• Clock, 162
  
• Coal-gas, 184
  
• Cocaine, 248
  
• Coins, 48
  
• Color photography, 327
  
• Colt, 219
  
• Columbus, 125 et seq
  
• Compressed-air rock drill, 275, 284
  
• Confucianism, 39
  
• Congress of Vienna, 260
  
• Congress, U.S. S., 270, 271, 272
  
• Constant battery, 219
  
• Constantinople, 96, 97, 113
  
• Constitution of the United States, 263
  
• Cooke, 220
  
• Copenhagen, 192
  
• Copernicus, 132, 133, 134
  
• Corliss cut-off, 244
  
• Cornwallis, 174, 175
  
• Cortez, 128, 129
  
• Corvus, 84, 85
  
• Cowles, 302
  
• Craske, 269
  
• Crawford, 220
  
• Cretans, 48
  
• Croesus, 48
  
• Crookes, 292
  
• Cumberland, U.S. S., 270, 271, 272
  
• Cuneiform writing, 28
  
• Curie, 314
  
• Curtiss, Glenn, 327
  
• Curved stereoplates, 269
  
• Customs union, 261
  
• Cyanide process, 303
  
• Cyrus, 39
  

D

• DÆdalus, 57
  
• Daguerre, 181, 182
  
• Dalton, 210, 211
  
• Daniell, 219
  
• Daniels, 328, 330
  
• Darius, 59
  
• Davy, 181, 182, 183
  
• Davy, Edmund, 219
  
• De Chardonnet, 304
  
• De Grasse, 174, 175
  
• De Lesseps, 237
  
• Decimal system, 32
  
• Deisel Engine, 291
  
• Della Porta, 151
  
• Dennison, 242
  
• Depth bomb, 339
  
• Dewar, 201
  
• Dias, Bartholomew, 125
  
• Diet at Spires, 131
  
• Diet at Worms, 131
  
• Disc for polishing, 43
  
• Divine Right of kings, 146, 147
  
• Dodge, 274
  
• Domestication of brutes, 13
  
• Drager, 327
  
• Draper, 221
  
• Drebel, 142
  
• Dry-plate photography, 265
  
• Duodecimal system, 31, 32
  
• Duplex telegraph, 285
  
• Dynamics, 159
  
• Dynamite, 277
  
• Dynamo electric machine, 275
  

E

• East India Company, 257
  
• Eastman, 304
  
• Eberth, 295
  
• Eddy, 277
  
• Edison, 123, 292, 310, 328, 285
  
• Egyptian religion, 38
  
• Electric light, 149
  • Telegraph, 215
    
  • Cautery, 239
    
  • Locomotive, 245
    
  • Candle, 290
    
  • Railway, first, 293
    
  • Welding, 302
    
  • Furnace, 312
    
  • Motor, 217, 218
    
  
  
• Electrically propelled boat, 221
  
• Electricity, 148 et seq
  
• Electromagnetic theory of light, 284
  
• Electron, 293
  
• Electroplating, 182
  
• Electrostatic induction, 247
  
• Elevator, 272
  
• Embalming, 35
  
• Ericsson, 10, 68, 214, 220, 270, 271, 272
  
• Ether as an anÆsthetic, 221
  

F

• Fahrenheit, 142
  
• Faraday, 138, 199, 214, 247
  
• Farmer, 246
  
• Faure storage battery, 294
  
• Feudal system, 145, 146
  
• Field, Cyrus, 266
  
• Finlay, 327
  
• Finsen, 313
  
• Fire alarm telegraph, 247
  
• Fire, 5
  
• First American locomotive, 217
  
• First electric telegraph, 232
  
• First successful aeroplane flight, 326
  
• Fiske, 312, 326, 328
  
• Fitch, 180
  
• Flexner, 328, 329
  
• Flute, 49
  
• Flying boat, 327
  
• Foucault, 235
  
• Fox, Talbot, 247
  
• Foy, 294
  
• Franklin, 168, 169, 170, 256
  
• Frederick the Great, 166 et seq
  
• Frederick William, 165, 166, 279
  
• French Revolution, 260
  
• Friction matches, 213
  
• Fulton, 180
  

G

• Galileo, 135, 136
  
• Galvani, 138, 200
  
• Galvanization, 220
  
• Galvanometer, 200
  
• Gardner, 265
  
• Gas engine, 291
  
• Gas mantle, 302
  
• Gatling gun, 273
  
• Gaul, 86 to 95
  
• Gaza, 73
  
• Ged, 164
  
• Geometry, 37
  
• German Confederation, 261
  
• Giffard, 265
  
• Gilbert, 137, 138
  
• Gimlet, 57
  
• Goldschmidt, 327
  
• Goodyear, 220, 284
  
• Gorham, 286
  
• Gorrie, 245
  
• Gramme, 283
  
• Graphophone, 302
  
• Gravitation, Law of, 144
  
• Great Eastern, 266
  
• Greece, 45
  
• Greek fire, 96, 97
  
• Green, 269
  
• Greener's hammerless gun, 294
  
• Groves gas battery, 267
  
• Guericke, 142, 143, 148, 149, 216
  
• Gun carriage, 108
  
• Gun-cotton, 240
  
• Gun director system, 312
  
• Gun, 101 to 110
  
• Gunpowder, 39
  
• Guthrie, 215
  
• Guttenberg, 7, 111
  
• Gyroscopic compass, 326
  
• Gyroscopic stabilizer, 327
  

H

• Hadley, 145
  
• Hales, 184
  
• Hall, 308
  
• Hammurabi, 38
  
• Hanaman, 327
  
• Hand photographic camera, 298
  
• Hannibal, 84, 85
  
• Hargreaves, 172
  
• Harvey, 140, 141
  
• Harveyized armor, 304
  
• Heat, a measure of work, 212
  
• Hebrews, 45
  
• Hellenistic civilization, 76, 77
  
• Helmholtz, 246
  
• Henry, 214, 216, 252
  
• Herman, 247
  
• Hero, 149, 150, 151
  
• Hertz, 304, 305
  
• Hewitt, 326
  
• Hibbert, 244
  
• High speed printing press, 327
  
• Hoe, 235, 242
  
• Holy Alliance, 260
  
• Homer, 205
  
• Hooke, 145, 162
  
• Horseshoe machine, 218
  
• Howe, 236
  
• Huygens, 162
  
• Hyatt, 284
  
• Hydraulic dredge, 302
  
• Hydraulic jack, 176
  

I

• Ice machine, 245, 287
  
• Illuminating water-gas, 286
  
• Image making, 117, 118
  
• Incandescent lamp, 292
  
• Induced currents, 214
  
• Induction transmitter, 293
  
• Ingersoll, 284
  
• Internal combustion engine, 291
  
• Interrupted thread screw, 242
  
• Invasion of England, 193, 194
  
• Ironclads, 248
  

J

• Jablochkoff, 290
  
• Jacobi, 218, 221
  
• James, 217
  
• Janney, 285
  
• Jansen, 135
  
• Jewish religion, 45, 46
  
• Joly, 327
  
• Judaism, 263
  

K

• Kaleidoscope, 186, 187
  
• Kepler, 134
  
• Kinetograph and kinetoscope, 310, 328
  
• Kingsland, 265
  
• Kirchoff, 266
  
• Knitting machine, 184
  
• Koch, 295, 298
  
• Kodak camera, 304
  
• KÖnig, 186
  
• KÖniggratz, 280
  
• Krag-Jorgensen rifle, 309
  
• Krupp, 243
  
• Kuno, 298
  

L

• La Gloire, 265
  
• Laennec, 197
  
• Laplace, 209
  
• Laughing gas, 234
  
• Lavoisier, 171, 172, 208, 211
  
• Laws of electrolysis, 247
  
• Laws of electromagnetic induction, 247
  
• Laws of electrostatic induction, 247
  
• League of Armed Neutrality, 192
  
• Lee magazine rifle, 294
  
• Leges JuliÆ, 85
  
• Legion, 83
  
• Leibig, 215, 217
  
• Leupold, 153
  
• Leyden jar, 168, 169
  
• Liberal government, 255 et seq
  
• Light, 235
  
• Linde, 312
  
• Link motion, 217
  
• Linotype machine, 301
  
• Lippman, 327
  
• Liquefaction of air, 312
  
• Liquefaction of gases, 201
  
• Lister, 274
  
• Lithography, 177
  
• Locomotive, 185
  
• Loeffler, 298
  
• Long, 221
  
• Loom, positive motion weaving, 284
  
• Lowe, 286
  
• LumiÈre, 327
  
• Lundstrom, 247
  
• Luther, 130 et seq
  
• Lyall, 284
  

M

• Machine for making barbed-wire, 286
  
• Mack, 194
  
• Maddox, 284
  
• Magazine gun, 243
  
• Magellan, 128
  
• Magneto electric machine, 216, 217
  
• Malleable iron castings, 184
  
• Marathon, 59, 60
  
• Marble, 302
  
• Marconi, 306, 313
  
• Martel, Charles, 110
  
• Martin's steel process, 274
  
• Match-making machine, 242
  
• Matteson, 302
  
• Maxim, 327
  
• McCormick Reaper, 218
  
• McMahon, 281
  
• Melhuish, 247
  
• Merchant adventurers, 257
  
• Mercury-vapor light, 326
  
• Mergenthaler, 301, 308
  
• Merkle, 177
  
• Merrimac, C.S. S., 68, 270, 271, 272
  
• Metternich, 261, 262
  
• Michoux, 265
  
• Middlings purifier, 287
  
• Militarism, 282
  
• Military machine, 279 et seq
  
• Miller, 180
  
• Miltiades, 59, 60
  
• Milton, 205
  
• Miners' safety lamp, 183, 184
  
• Mohammedanism, 263
  
• Moltke, 279
  
• Moncrief's disappearing gun-carriage, 276
  
• Monitor, 68, 270, 271, 272
  
• Monroe Doctrine, 256
  
• Montgolfier, 175
  
• Morse, 215, 232, 233, 234
  
• Morton, 215
  
• Motion, Laws of, 144
  
• Multiphase currents, 303
  
• Mungo Ponton, 221
  
• Murdock, 184
  
• Muschenbroek, 168
  
• Musical telephone, 267
  
• Muybridge, 310
  
• Mythology, 53
  

N

• Napier, 136, 137
  
• Napoleon, 187 et seq, 257
  
• Nasmyth, 221
  
• Needle telegraph, 220
  
• Nege, 277
  
• Neilson, 213
  
• Nelson, 190, 192, 194, 197
  
• Newcomer, 153
  
• Newton, Isaac, 143, 144, 145
  
• Nicholson, 186
  
• Nickel steel, 308
  
• Nicolaier, 298
  
• Niepce, 181
  
• Nineveh, 39
  
• Nitroglycerin, 241
  
• Nobel, 277