System Sensor MA/SS-24I This is a ceiling-mount alarm with HALON lettering. Brand System SensorModel MA/SS-24IManufacturer System SensorType Alarm (Sounder/Strobe)
Couch F1-A Category : CouchUnlike my other F1-A, this one has a red handle and the hex lock on the front.
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.