Watchmakers’ lathes, [i, 188].

Watch manufacturers’ hand lathe, [i, 191].
lathe, details of, [i, 190].

Water, [ii, 410].
evaporation, calculation of, [ii, 420].
gauge glass, [ii, 368].
joints, [ii, 139].
tube boiler, vertical, [ii, 360].

Wear of dies, [i, 89].
of back bearings, [i, 158].
emery wheels, [ii, 48].
groove cams, [i, 84].
nuts, [i, 120].
planer head slides, [i, 410].
scroll chuck threads, [i, 238].
spindles of lathe tailblock, [i, 185].
taps, [i, 89].
worm and worm-wheel, [i, 28].
upon grooved friction wheels, [i, 79].

Weight of steam, [ii, 411].

Weighted elevated slide rest, [i, 168].
slide-rest, feed motion for, [i, 168].

Weld, butt, [ii, 234].
lap, [ii, 234].
split, [ii, 235].

Welded connecting rods, aligning, [ii, 118].

Welding iron and steel, [ii, 233], [234].
scrap iron, [ii, 247].
stub ends of connecting rods, [ii, 118].
theory of, [ii, 233].

Wheel, emery, position of, [ii, 35].
forging of fifth, [ii, 239].
hubs, lathe for turning, [i, 221].
lathe, [i, 151].
rack and pinion, [i, 1].
rim, spacing the teeth on, [i, 56], [58].
shafts thrust on, [i, 16].
tire, throwing off, [ii, 403].
worm, [i, 1].