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[News Clip: Two-toned air raid siren given test] captions transcript

[News Clip: Two-toned air raid siren given test]

Video footage from the WBAP-TV station in Fort Worth, Texas to accompany a news story about the altering of air raid sirens to include two tones, as not to mistake them for fire trucks, police cars, or ambulances.
Date: March 25, 1955
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
System: The UNT Digital Library