object
Pump drill
A named drill spun by a flywheel and pump motion of later practice. Not a bow-drill, not a lathe, and not an auger dump alone.
Also known as Pump-action drill
object
A named drill spun by a flywheel and pump motion of later practice. Not a bow-drill, not a lathe, and not an auger dump alone.
Also known as Pump-action drill