Nails and Nail Machinery.......................... ii 470 Narrow-gauge railroads............................ ii 633 Nautilus.......................................... i 453 Navy, steam....................................... i 737 Needles, Knitting-machine......................... ii 219 Netting, torpedo.................................. ii 883 Nickel alloys..................................... i 68 Nickel-plating.................................... i 583 Nitro-glycerine................................... i 751 Nose-bit.......................................... i 139 Notching.......................................... i 312 Nowel............................................. ii 447 Nozzle, exhaust................................... ii 314 Nozzle, hydraulic mining.......................... ii 440 Nut-forging machine............................... i 829 Nut-tapping machine............................... ii 714 Nuts, cold-punched................................ ii 626 Nuts, hand-forging of............................. i 822 Nuts, hot-pressed................................. ii 626 Nuts, lock........................................ ii 474 Nuts and Bolts.................................... ii 473
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