Thunderbolt
The Thunderbolt siren was a supercharged electromechanical siren produced by the Federal Electric company.
Thunderbolt Models
Thunderbolt 1000
Thunderbolt 1000T
Thunderbolt 1003
The Thunderbolt siren was a supercharged electromechanical siren produced by the Federal Electric company.
Thunderbolt 1000
Thunderbolt 1000T
Thunderbolt 1003