Chapter XVIII: =drilling Machines.=

=Drilling Machines.= General description of a power drilling
machine 428
Lever feed 428
With automatic and quick return feed motions 428
Improved, with simple belt and uniform motion, two series of
rates of automatic feed, and guide for boring bar 429, 430
Radial 430, 431
For boiler shells 436
Cotter or keyway 438
Drilling Machine, three-spindle 434
Four-spindle 434
=Drilling and Boring= machine 431
Feed motion of 432
=Combined Drilling Machine= and lathe 433
=Boring Machine=, horizontal 433
For car wheels 438
For pulleys 438
=Quartering Machine= 434
=Drilling and Turning Machine= for boiler makers 435
Feed motions of 436