Simplex 4901-9811 Category : Simplex This particular alarm is actually capable of doing three different tones. Brand SimplexModel 4901-9811Manufacturer FaradayType Alarm (Horn)
Therm-L-Stat DI-135 Category : OtherThis heat detector is very small compared to a lot of the other ones that I have.
Siemens SE-MC-W Category : SiemensA Speaker/Strobe, manufactured by Wheelock and rebranded by Siemens.
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.
