Potter OSYSU-A2

I honestly have no idea what this thing is, but it says Potter on it, so that means it goes on the website.

Also in the collection
GE 521BXT

GE 521BXT

Category :
I think that this smoke detector might be intended for use in security systems.
Notifier BNG-1R

Notifier BNG-1R

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