Simplex 4903-9101 Category : Simplex Clearly, this alarm is not in its prime. Brand SimplexModel 4903-9101Manufacturer UnknownType Alarm (Strobe Plate)
Grinnell TFX-912P Category : GrinnellJust like the rest of my Grinnell equipment, this smoke detector is from Brigham Young University.
Wheelock 7002T-24 Category : WheelockAnother Wheelock 7002T-24 which I’ve incorporated into my collection.
