Thunderbolt
Thunderbolt is a rotating siren or electromechanical siren.
Also recorded as Thunderbolt siren; Thunderbolt series; Federal Signal Thunderbolt.
Contents
Overview
Series of outdoor warning sirens manufactured by Federal Signal Corporation.
Connections
Each connection was recorded deliberately, with the basis for it kept on the internal record.
Broader subject
- civil defense sirenTerminology
Established from a fact already recorded on a verified source.
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
- 1.
“Thunderbolt siren”, English Wikipedia, consulted as further reading
reference work · Reputable secondary · Wikipedia
Consult the source - 2.
Wikidata, structured authority record Q17155778: Thunderbolt
reference work · Reputable secondary · Wikidata
Consult the source
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