Public domain
Cardinal "don't" for housekeepers: don't put hot food into the refrigerator. Allow cooked foods to cool to room temperature before placing in the refrigerator
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Subjects
Credit lineCardinal "don't" for housekeepers: don't put hot food into the refrigerator. Allow cooked foods to cool to room temperature before placing in the refrigerator. 1942-01-01. Rosener, Ann, United States. Office For Emergency Management. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.