In Collection: Print Ads (View all 289)
Dow Chemical Company (American, 19th/20th Century)
Dow Chemical Company (American, 19th/20th Century)
![Problem… Solution Result… [April-July]](https://mdl.artvee.com/ft/915289il.jpg)
Hercules Incorporated (American, 20th Century)
Hercules Incorporated (American, 20th Century)
Dow Chemical Company (American, 19th/20th Century)
Jon Whitcomb (American, 1906–1988)
Hercules Incorporated (American, 20th Century)
Hercules Incorporated (American, 20th Century)
Hercules Incorporated (American, 20th Century)
Dow Chemical Company (American, 19th/20th Century)
Dow Chemical Company (American, 19th/20th Century)
Dow Chemical Company (American, 19th/20th Century)
Hercules Incorporated (American, 20th Century)
Dow Chemical Company (American, 19th/20th Century)
Beckman Instruments (American, 20th Century)