Box 370.
Creators include:
- Jonas, Clara E.
- Coleman Evaporating and Fruit Preserving Company of Western Maryland.
- Edison Electric Institute.
- National Electrical Manufacturers Association.
- General Electric Company.
- United States. Department of Agriculture.
- Philco Corporation.
- Cosco Home & Office Products.
- American Gas Association.
- KitchenAid, Inc.
- New York State College of Home Economics.
- Borg-Warner Corporation. Norge Division.
- Kelvinator Corporation (Detroit, Mich.)
- Hoosier Manufacturing Company.
- Kompass & Stoll Company.