Simplex 4903-9101 Category : Simplex Clearly, this alarm is not in its prime. Brand SimplexModel 4903-9101Manufacturer UnknownType Alarm (Strobe Plate)
Simplex 2901-9833 Category : SimplexI have several of these horns because I’ve had several of them unexpectedly break on me.
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.
