Three-spindle drilling machine, [i, 434].
nut tapping machine, [i, 475].

Three-tool slide-rest for shafting, [i, 143].

Three or four boring bar cutters, [i, 290].

Throttle valves leaky, [ii, 386].

Throttling governors, [ii, 384].

Thrust bearings, [ii, 445].

Thrust on wheel shafts, [i, 16].

Timber, bending, [ii, 265], [266].

Timber, shakes or cracks in, [ii, 264].
shrinkage of, [ii, 264].
steaming to bend it, [ii, 266].

Timber-planer, [ii, 330], [331].