roller mill

noun

any mill that pulverizes, flattens, or otherwise changes material, as grain, by passing it between rolls.

An Americanism dating back to 1870–75

Instead of grinding grain for feeding, we have what is known as a crusher which operates on the roller-mill principle.

The feed is of the utmost importance to the correct working of a roller mill.

The yield of flour obtained in a British roller mill averages 70 to 73% of the wheat berry.

Before the roller mill appeared there was always bran in the flour and flour in the bran.

The invention of the flour roller-mill (Fig. 14) is the last step in the development of the mill.

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