A carpenter's tool to bore holes with.

Auger

A carpenter's tool to bore holes with.

A machine drill used to drill through rocky surfaces. Powered by steam, water or horse.

Rock Drill

A machine drill used to drill through rocky surfaces. Powered by steam, water or horse.

It consists of a steam cylinder and piston and its rod, and to the rod is firmly secured a steel rock-drill. The cylinder is supported upon a heavy tripod that may stand in any position and present the point of the drill in any direction. The steam or compressed air is conveyed to the cylinder through a hose, and when ready for work it delivers its tremendous thundering blows upon the rock in rapid succession.

Pneumatic Rock Drill

It consists of a steam cylinder and piston and its rod, and to the rod is firmly secured a steel rock-drill.…

A motor vehicle wheel track sanding device including a sand storage tank, a hoper mounted over a wheel of a motor vehicle, a pipe connecting the interior of the hopper to the storage chamber, an auger disposed within the pipe for transferring the sand from the storage tank to the hopper, and a motor for rotating auger.

Track Sanding Apparatus

A motor vehicle wheel track sanding device including a sand storage tank, a hoper mounted over a wheel…