There is a key to lock it closed, and the same key will lock it either on or off. In keeping with a Victorian Bell/Butler Board but not near it in the house.

I guess it must be some kind of isolator switch, but I know nothing of its history.

  • GreenPlasticSushiGrass
    2•1 year ago

    Are there any markings on the bottom or anywhere else?

    I enjoyed r/whatisthisthing, and I hope c/whatisthisthing catches on! Challenge mode is a great idea.