Scientific American 1904-02-27.jpg Royal Baking Powder -1922AThumbnailsWoman's Home Companion 1909-10Royal Baking Powder -1922AThumbnailsWoman's Home Companion 1909-10Royal Baking Powder -1922AThumbnailsWoman's Home Companion 1909-10Royal Baking Powder -1922AThumbnailsWoman's Home Companion 1909-10Royal Baking Powder -1922AThumbnailsWoman's Home Companion 1909-10
How breadstuffs are made in quantity. flour milling as conducted in the largest mills in the world. Capacity, 30,000 barrels a day. The roller mills making "patent" flour. Roughening burr stones. Heating the grain in rotary heaters.



Source: Steve Kirch, collector, and creator of a great website about SCIENTIFIC AMERICAN in the past

Restoration by: magscanner