Simplex 2099-9103 Category : Simplex The terminal strip on the back of this pull is different than the one of my other Simplex 2099-9103. Brand SimplexModel 2099-9103Manufacturer SimplexType Pull Station
GE 521BXT Category : GEI think that this smoke detector might be intended for use in security systems.
Simplex 4904-9139 Category : SimplexI believe that this strobe plate was designed to be used with bells, such as the Simplex 2901-9333.
