ScientificAmerican1920-10-23.jpg Life Savers Fruit Drops -1927AThumbnailsWrigley's Doublemint Gum -1940ALife Savers Fruit Drops -1927AThumbnailsWrigley's Doublemint Gum -1940ALife Savers Fruit Drops -1927AThumbnailsWrigley's Doublemint Gum -1940ALife Savers Fruit Drops -1927AThumbnailsWrigley's Doublemint Gum -1940A
Melting gold coins in the United States Assay Office.