Hoover Institution > Hoover Institution Digital Collections > New air raid warning system. When signal is given - it means - you do this. Blue warning

Image / New air raid warning system. When signal is given - it means ...

Have a question about this item? Contact Owner

Item Information. View source record on contributor's website.

Title
New air raid warning system. When signal is given - it means - you do this. Blue warning
Creator
United States. Office of Civilian Defense
Date Created and/or Issued
1943
Contributing Institution
Hoover Institution
Collection
Hoover Institution Digital Collections
Rights Information
Please contact the contributing institution for more information regarding the copyright status of this object.
Type
image
Identifier
XX343.31618
Relation
Poster collection

Explore related content on Calisphere: