Use enough ice : do not let the ice get below the danger line, a well-filled ice chamber means lower temperatures
- Year:
- 1929
- Subject:
- Refrigerators -- Posters
- Abstract:
- Shows three pictures of refrigerators containing different amounts of ice.
- Format:
- 1 poster : black and white ; 53 x 41 cm
- Publisher:
- U.S. Government Printing Office
- Collection:
- Historical Dietary Guidance Digital Collection