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