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