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