A drill worked by a bow and string.

Bow-drill

A drill worked by a bow and string.

Ratchet drills.

Drill

Ratchet drills.

This is a Brace of the well known Stanley concealed ratchet type, but having a ball bearing chuck.

Brace Drill

This is a Brace of the well known Stanley concealed ratchet type, but having a ball bearing chuck.

The new Yankee Hand Drill especially designed for working overhead.

Hand Drill

The new Yankee Hand Drill especially designed for working overhead.

Twist drill bit.

Twist Drill

Twist drill bit.

Ratchet drills.

Ratchet Drills

Ratchet drills.