Holders, for chasers, [i, 268].
for fly cutters, [ii, 22].
octagon boring tools, [i, 175].
Holding chisels, [ii, 74].
Hollow work, centres for, [i, 226].
Hook bolts, [i, 113].
Hooks, belt, [ii, 216].
Horizontal boring machine, [i, 433].
Horse-power, from diagram, [ii, 418].
of an engine, calculating, [ii, 407], [419].
testing, [ii, 408].
Horseshoes, finishing, machine for, [ii, 262], [263].
Horizontal tubular boiler, [ii, 361]-[366].
saw frame, [ii, 312].
Hydraulic fits, allowance for, [i, 365].
parallel holes and taper plugs for, [i, 365].
forging, [ii, 260].
press, [ii, 260].
pressure, [i, 366].