Well

device · 8000 BC · Stone Age

A shaft for getting groundwater.

What it is made of

• Well shaft — has part. A vertical shaft down to the aquifer.
• Log well frame — has part. Shoring the walls against collapse.
• Well head — has part. The part above ground that keeps out contamination.
• Wooden bucket — has part. It scoops up water.

Principles and materials it uses

• Windlass — uses. The bucket was raised with a windlass.
• Shaduf — uses. Or with a well sweep.
• Stone — is made of. The walls of wells were lined with stone.
• Rope — uses. Water was raised with a bucket on a rope.

Take Well apart

Open Evothings