

Dow Chemical Company (American, 19th/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)
![Problem… Solution Result… [October-November]](https://mdl.artvee.com/ft/915298il.jpg)
Hercules Incorporated (American, 20th Century)


Dow Chemical Company (American, 19th/20th Century)

Dow Chemical Company (American, 19th/20th Century)
![Problem… Solution Result… [June-August]](https://mdl.artvee.com/ft/915293il.jpg)
Hercules Incorporated (American, 20th Century)


International Business Machines Corporation (American, 20th Century)

Dow Chemical Company (American, 19th/20th Century)

Hercules Incorporated (American, 20th Century)

Dow Chemical Company (American, 19th/20th Century)


Hercules Incorporated (American, 20th Century)