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

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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

description

Summary

Public domain photograph of 1930s America, free to use, no copyright restrictions image - Picryl description

date_range

Date

01/01/1941
person

Contributors

Palmer, Alfred T., photographer
United States. Office for Emergency Management.
place

Location

create

Source

Library of Congress
copyright

Copyright info

Public Domain

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