![[UK] Found during house renovation](https://i.imgur.com/JUW6g6Y.jpg){kind=link}
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.
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.
Both switches would turn off/on at the same time. If one was a door bell and the other the butler bell, this switch would make them both ring at the same time.