🛠️ Invention or technique

Roller mill for flour

Molino de rodillos para harina

Date
1834 · confidence medium
Place
Frauenfeld, Thurgau, Switzerland
Credited to
Jacob Sulzberger; Andras Mechwart (Budapest, 1874)
Field
Life & health

⚠️ Disputed: the sources disagree.

What it is

Iron or porcelain rollers replaced millstones and cleanly separate the bran from the endosperm. It gave white, fine and cheap flour and turned milling into an industry.

The first roller mill is credited to Sulzberger in Switzerland (1834); Mechwart's chilled cast-iron roller system in Budapest (1874) made it industrial.

What it led to

  • white flour for mass consumption
  • the great mills of Budapest and Minneapolis
  • loss of nutrients and flour enrichment
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Sources✓ verified 2026-11-04