Civilian protection. This is one type of air raid alarm siren which cries out in warning tones that can be heard for distances of several miles. In most cases sirens such as this one are being placed on roofs of firehouses

Actual size of negative is C (approximately 4 x 5 inches).
Title and other information from caption card.
Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944.
More information about the FSA/OWI Collection is available at http://hdl.loc.gov/loc.pnp/pp.fsaowi
Film copy on SIS roll 30, frame 763.