[UK] Found during house renovation (i.imgur.com)

submitted 2 years ago by Bluesheep@lemmy.world to c/whatisthisthing@lemmy.world

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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.

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[-] Bluesheep@lemmy.world 2 points 2 years ago

Single isolator. Either isolated two things or out and return of one thing.

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this post was submitted on 02 Jul 2023

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What is this thing?

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