Civilian defense. War Emergency Radio Service. This home-made War Emergency Radio Service transmitter-receiver was constructed by Civilian Defense radio volunteers from parts of old home radio sets. It is used to keep protection units in the field in constant touch with each other and with their control centers [graphic].

Civilian defense. War Emergency Radio Service. This home-made War Emergency Radio Service transmitter-receiver was constructed by Civilian Defense radio volunteers from parts of old home radio sets. It is used to keep protection units in the field in constant touch with each other and with their control centers [graphic]. United States. Office of War Information. still image Safety film negatives. gmgpc 1941? eng Actual size of negative is D (approximately 3 1/4 x 4 1/4 inches). Image source: Office of Civilian Defense photo from OWI. Title and other information from caption card. United States. Office of War Information. Overseas Picture Division. Washington Division; More information about the FSA/OWI Collection is available at United States. Farm Security Administration - Office of War Information Photograph Collection (Library of Congress) http://hdl.loc.gov/loc.pnp/fsa.8b06461