Anvils, [ii, 230].
Apparatus for oiling, [ii, 439], [440].
Appliances for bending timber, [ii, 265].
for tapping standard work, [i, 111].
Aprons, lathe, feed motion for, [i, 168].
Apron tools for planers, [i, 411].
Arbors, adjustable, [i, 227].
cutter, [ii, 25].
emery wheel, construction of, [i, 198].
expanding, [i, 227].
for eccentric work, [i, 229].
shell reamers, [i, 283].
threaded work, [i, 228].
lathe, [i, 227].
Arc of approach of gear-wheels, [i, 13], [16].
of contact of gear-wheels, [i, 17], [25].
of recess of gear-wheels, [i, 13], [16], [20].
Area of the indicator diagram, [ii, 419].
Arms for pulleys, [ii, 279].
pivoted, for tooth templates, [i, 44].
Atmosphere, influence of, on oils, [ii, 153].