146
Plug gage, standard 42
Polishing and filing in lathe 13
Potter & Johnston automatic chucking and turning machine 223
method of "setting-up" 227
turning flywheel in 236
Pratt & Whitney turret lathe, arranged for piston turning 208
equipped with piston ring turning attachment 210
Press for arbors or mandrels 22
Pressure generally used in assembling forced fits 132
Push fits, allowances for 131

Quick change-gear type of lathe 173

Reamer holders, floating type 271
Reaming and drilling in lathe 43
Releasing die and tap holders 199
Relieving attachment, Hendey 123
Relieving attachment, Hendey, application of 125
Relieving hobs or taps having spiral flutes 128
Rivett-Dock threading tool 164
Roughing and finishing cuts in lathe 75, 76
Running fits, allowances for 131

Screw cutting, calculating change gears for 167
compound gearing for 170
in engine lathe 135
method of handling lathe 138
selecting change gears for 135
with compound rest 143
Screws, cutting to compensate for shrinkage 165
metric, change gears for cutting 171
testing size of 161
Selecting type of turning machine 240
Shrinkage, cutting screws to compensate for 165
Shrinkage fits, allowances for 133
Side-tool, facing with 7
Speeds for turning, average 72
based on Taylor's experiments