Faraday 6234-E Category : Faraday I believe the “E” appendage on the end of the model number means it is a sync-strobe. Brand FaradayModel 6234-EManufacturer SiemensType Alarm (Horn/Strobe)
Notifier BNG-1R Category : NotifierThis is the oldest Notifier pull that I own which opens with the modern Notifier key.
Simplex 2901-9517 Category : SimplexThis is essentially the AC-powered version of the Simplex 2901-9833.
Simplex 4251-20 Category : SimplexI believe this is an older, less seen model of 4251-20. It has a slightly different handle from my other...
