Public domain
Air raid protection--what NOT to do when alarm sounds. DON'T look out the windows. Johnnie doesn't mean to be a fifth columnist, but in looking out and attempting to see the planes he's flashing a swell signal just the same; in addition this is a dangerous place for him to be because of flying glass
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineAir raid protection--what NOT to do when alarm sounds. DON'T look out the windows. Johnnie doesn't mean to be a fifth columnist, but in looking out and attempting to see the planes he's flashing a swe. 1941-01-01. United States. Office Of War Information. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
