Simplex 2098-9201 Category : Simplex This is a “TrueAlarm” series detector. It is tested with a magnet. Brand SimplexModel 2098-9201Manufacturer SimplexType Smoke Detector (Photoelectric, 4-wire)
Wheelock MPS-400X Category : WheelockThis pull station is meant for hazardous locations. It is fairly large.
ADT B5009 Category : ADTThis is a fairly rare pull station. It is very difficult to see if it is in the operated position...