Notifier BNG-1R

This is the oldest Notifier pull that I own which opens with the modern Notifier key.

Also in the collection
FCI B5

FCI B5

Category :
I have also seen this pull branded by Kidde and Thorn.
GE 521BXT

GE 521BXT

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