Wheelock NS4-2430W This was my first alarm. It is a rare 4-wire NS. Brand WheelockModel NS-2430WManufacturer WheelockType Alarm (Horn/Strobe)
Simplex 4904-9139 Category : SimplexI believe that this strobe plate was designed to be used with bells, such as the Simplex 2901-9333.
Simplex 2001-3080 Category : SimplexThis panel was manufactured in the 1980’s. Compared to other Simplex 2001’s, this one is relatively small.