Abacus............................................ i 1 Acceleration...................................... i 511 Accidents to locomotives.......................... ii 851 Accumulator....................................... i 1 Acoustic signals.................................. ii 764 Action, organ..................................... ii 506 Action, piano..................................... ii 538 Addressing Machine................................ i 2 Adhesion.......................................... i 2 Adhesion of cement................................ i 379 Adhesion of locomotives........................... ii 327 Adhesion of nails................................. ii 473 Adit......................................... i 2; ii 431 Adze.............................................. i 108 Agitator, amalgamating............................ i 72 Agraffe........................................... ii 538 Agricultural Machinery............................ i 2 Air, resistance of to trains...................... ii 322 Air, weight and volume of......................... i 749 Air-brake......................................... i 220 Air-brick......................................... i 256 Air-Compressors................................... i 33 Air-cooling apparatus............................. ii 670 Air-escape........................................ i 46 Air-exhaust dredger............................... i 481 Air-Gun........................................... i 46 Air-lock.......................................... i 485 Air-motor......................................... i 45 Air-Pipes......................................... i 47 Air-Pump.......................................... i 47 Air-Ship.......................................... i 48 Air-spring........................................ ii 574 Ajutage........................................... i 54 Alarms............................................ i 54 Alcaraza.......................................... i 56 Alloys............................................ i 56 Amalgams.......................................... i 68 Amalgamating Machinery............................ i 70 Ammonia ice-machine............................... ii 138 Anchor............................................ i 75 Anchor-shot....................................... ii 292 Anchor-tripper.................................... i 79 Anemometer........................................ i 80 Aneroid barometer................................. i 114 Angle-bead........................................ i 322 Angle-brace....................................... i 141 Angle-plate....................................... ii 248 Animal matter, gas from........................... i 945 Animal Strength................................... i 81 Annealing......................................... i 83 Annealing of cartridges........................... i 327 Annealing of glass................................ ii 43 Annular wheels.................................... ii 8 Anthracite blast-furnace.......................... i 873 Anti-clinker stove................................ ii 825 Antimony, electroplating with..................... i 582 Antimony alloys................................... i 56 Anvil............................................. i 825 Aquatint engraving................................ i 733 Aqueduct.......................................... i 88 Arbor............................................. i 93 Arc, voltaic...................................... i 544 Arch-brick........................................ i 256 Arched chisel..................................... i 352 Arches............................................ i 92 Arches, brick..................................... ii 385 Archimedean Screw................................. i 93 Architrave........................................ i 93 Areometer......................................... ii 122 Arkansas stone.................................... ii 476 Armature.......................................... ii 378 Arming-Press...................................... i 78 Armor, diving..................................... i 454 Armor (plating)................................... i 94 Arris............................................. i 100 Arsenic alloys.................................... i 57 Artesian wells.................................... ii 926 Artillery. See ORDNANCE. Asbestos.......................................... i 100 Ashlar............................................ ii 385 Assaying.......................................... i 101 Astatic galvanometer.............................. i 587 Astyllen.......................................... i 107 Auger............................................. i 138 Auger, well-boring................................ ii 925 Aventurine glass.................................. ii 52 Awl............................................... i 107 Axe............................................... i 107 Axe, stone........................................ ii 820 Axle, wheel and................................... ii 796 Axle-friction..................................... i 853 Axles, locomotive................................. ii 318 Axles, railroad-car............................... ii 649 Axles, wagon...................................... ii 898
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