Cerberus Pyrotronics U-MMT-S75-W This alarm is capable of producing multiple tones. Brand Cerberus PyrotronicsModel U-MMT-S75-SManufacturer SiemensType Alarm (Horn/Strobe)
SET Standpipe Pressure Signal Category : OtherI got this in a lot with a lot of antique coded pulls and just decided to hold onto it.
Faraday 5940 Category : FaradayYou can see straight through the grille on this horn to the metal plate on the mechanism.
Wheelock 7002T-24 Category : WheelockAnother Wheelock 7002T-24 which I’ve incorporated into my collection.