Simplex 4904-9137

This is, in fact, a Simplex 4904-9137. It’s just missing its housing.

  • Brand
  • Model 4904-9137
  • Manufacturer Simplex
  • Type Alarm (Strobe)
  • Simplex 4904-9137
  • Simplex 4904-9137

Also in the collection
Gamewell A8814

Gamewell A8814

Category :
I have no idea what year this alarm is from, only that it’s old and heavy.
EST 882-2B

EST 882-2B

Category :
This unit has an electronic horn rather than an electromechanical mechanism.
@