Simplex 4259-25

This is a photoelectric smoke detector from the mid to late 1970’s.

Also in the collection
GE 521BXT

GE 521BXT

Category :
I think that this smoke detector might be intended for use in security systems.
ADT ADT-PS

ADT ADT-PS

Category :
Personally, I think that the ADT logo on the head of this smoke is a bit ugly.
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