Sag of belts, [ii, 210].

Salts and acids, testing oils for, [ii, 153].

Sand blast process, [ii, 96].

Sand-papering machines, [ii, 347]-[349].

Saturated steam, [ii, 410].

Saw bench, rack feed, [ii, 301].
frame, horizontal, [ii, 312].
hack, [ii, 97].
hammering, [ii, 70], [71].
machine, tubular, [ii, 305].
machines, re-sawing band, [ii, 310].
maker’s hammer, [ii, 68].
plates, grindstones for, [ii, 52].
straightening, [ii, 70], [71].
teeth, shapes of, [ii, 273], [287].

Sawing hot iron, [ii, 263].

Saws, chisel teeth for, [ii, 290].
concave, [ii, 287], [288].
cross-cut, [ii, 272], [273].
for swing frame, [ii, 292].
grindstones for, [ii, 52].
hardening, [ii, 462].
heating of circular, [ii, 288].
insertion of teeth in, [ii, 290].
rip, [ii, 272], [273].
sharpening the teeth of, [ii, 290].
shingle, [ii, 287], [288].
stiffening, [ii, 463].
tension of, [ii, 288].
truth of circular, [ii, 288].

Sawyer’s valve for governors, [ii, 384].

Scale for moulding knives, [ii, 83].
of tooth proportions, [i, 54].