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]
- Crœsus, [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]
- 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]