Notifier BG-1

Kind of a cool variant of the other Notifier BG-1’s that I have.

Also in the collection
GE 521BXT

GE 521BXT

Category :
I think that this smoke detector might be intended for use in security systems.
Simplex 477-669

Simplex 477-669

Category :
Oddly enough, the model number on this particular smoke doesn’t fit the typical pattern for Simplex devices.
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