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Air raid protection--what NOT to do when alarm sounds. DON'T tamper with the wires! Do not turn out all the lights in the house at the main switch. Cover the windows with light-proof material in the rooms you must use
Summary
Public domain photograph of 1930s industry, war production in the United States free to use, no copyright restrictions image - Picryl description
Tags
Date
01/01/1941
Contributors
United States. Office for Emergency Management.
Location
Source
Library of Congress
Copyright info
Public Domain
