Sawmill

device · 1200 · Middle Ages

Mechanical sawing of logs.

What it is made of

• Water wheel — has part. Early sawmills were driven by water wheels.
• Crank — has part. A crank turns the wheel’s rotation into the stroke of the saw.

Principles and materials it uses

• Saw — uses. The cutting tool is a saw.
• Wood — is made of. The sawmill’s mechanism is wooden.

History: what it evolved from and what it influenced

• Hierapolis sawmill — evolved from. The oldest known example of a sawmill.

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