Gristmill
device · 300 BC · Ancient world
A mill for grinding grain into flour.
What it is made of
- Millstone — has part. Grain is ground by millstones.
- Grain hopper — has part. A hopper feeds the grain evenly.
- Gear — has part. The drive from the power source to the millstone.
- Flour sieve — has part. It separates flour from bran.
Principles and materials it uses
- Water wheel — uses. A water wheel turns the millstones.
- Grain — uses. A mill grinds grain.
History: what it evolved from and what it influenced
- Quern — evolved from. The mill mechanized hand-turned millstones.
- Roller mill — evolved into. Rollers instead of millstones.
What it is a kind of
- Watermill — includes. A classic watermill grinds grain.