Scientific American 1904-07-09.jpg Pettijohn's Breakfast Food -1901AThumbnailsWrigley's Doublemint Gum -1940APettijohn's Breakfast Food -1901AThumbnailsWrigley's Doublemint Gum -1940APettijohn's Breakfast Food -1901AThumbnailsWrigley's Doublemint Gum -1940APettijohn's Breakfast Food -1901AThumbnailsWrigley's Doublemint Gum -1940APettijohn's Breakfast Food -1901AThumbnailsWrigley's Doublemint Gum -1940A
The manufacture of cereal foods with the aid of electricity. Top: Cooking the cleaned grain by steaming. Bottom: Shredding machines which, after the steaming process, roll the whole wheat kernel into shreds.



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

Restoration by: magscanner