Roller mill
device · 1870 · Electric age
Grinding grain with steel rollers.
What it is made of
- Steel milling rollers — has part. Pairs of steel rollers crush the grain.
- Plansifter — has part. Sieves that separate the milling products.
- Electric motor — has part. The roller drive.
Principles and materials it uses
- Steel — is made of. Steel rollers.
- Belt drive — uses. A belt drive to the roller mills.
History: what it evolved from and what it influenced
- Gristmill — evolved from. Rollers instead of millstones.