Two drilling devices: a drill and an auger
An upper drill boring down into a plank, and a second drill sketched in red chalk
The page shows two drilling mechanisms. The upper pen drawing is a drill mounted in a frame so that its bit descends vertically to bore into a plank or board laid on a bench below. The lower red-chalk sketch is a second, similar device, which the note names an auger or drill.
On this page
Drill boring vertically into a plank
The upper mechanism is a drill held in a frame so that its bit descends vertically to bore into a plank or board resting on a bench below.
A second drill, called an auger or drill
The lower red-chalk sketch shows another drilling device, which the note names an auger or drill.