How Is Wheat Flour Manufactured in a Flour Mill? – History ...
20th Century Flour Milling Process: Wheat arrives at modern flour mills and elevators by ship, barge, rail or truck. Chemists in product control, who inspect and classify grain, take samples of each shipment. A small quantity is milled into flour. The character of the wheat itself, it's milling and baking qualities, determine how it is handled.