Simplex 2901-9833 Another duplicate of the Simplex 2901-9833. Brand SimplexModel 2901-9833Manufacturer Federal SignalType Alarm (Horn)
Faraday 6180 Category : FaradayThe cover of this alarm is made out of something not ordinary, almost like wood.
Notifier BNG-1R Category : NotifierThis is the oldest Notifier pull that I own which opens with the modern Notifier key.
Gaylord NC-1357A Category : GaylordThis is a rebranded EST/Edwards 270-SPO for use in some sort of ventilator system.