Babbitt metal-lined boxes, [ii, 155].
Back-gear of lathe, [i, 135], [145].
throwing in and out, [i, 165].
treble, [i, 143].
Back-knife gauge lathe, [i, 211].
Back rest, [i, 233].
Balanced valves, [ii, 377].
Balancing cutter heads, [ii, 324], [326].
emery wheels, [ii, 39].
pulleys, [ii, 202].
Ball turning, [i, 325].
Banking fires, [ii, 401].
Band saw machines, [ii, 308], [311], [312].
Band saw guides, [ii, 311].
teeth, [ii, 308]-[310].
pitch of, [ii, 309].
tension, [ii, 310], [311].