Template:Air Raid Sirens Wiki/Selected picture/3: Difference between revisions
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Latest revision as of 09:14, 31 July 2018
The STH-10 is an omnidirectional, electromechanical siren that was produced by Federal Signal Corporation from 1955 to TBA, with a second run from 2000 to 2005, when it was replaced by the Eclipse 8. It produces 115 dBc at 100 feet.