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]
O