Pyrotronics HSD-24F This could be considered a somewhat rare alarm. Brand Cerberus PyrotronicsModel HSD-24FManufacturer WheelockType Alarm (Horn/Strobe)
Simplex 2901-9833 Category : SimplexOne more duplicate of the Simplex 2901-9833. I don’t know if these horns really do break this easily or if...
Edwards 7031-92 Category : EST/EdwardsThis unit probably wasn’t used as a notification appliance, but instead as an indicator for a part or function of...