Amseco BZ-50P I love the design of the grille on this alarm. Brand AmsecoModel BZ-50PManufacturer AmescoType Alarm (Horn)
Space Age AV32+2DCD Category : Space Age ElectronicsThat is an electromechanical horn on the rear of the strobe plate.
Wheelock 7002T-24 Category : WheelockAnother Wheelock 7002T-24 which I’ve incorporated into my collection.