I am on the second floor of an old house in the northeast USA. There is another one at the entrance to the second floor, this at the backdoor. The button looks like a bell but what is the hole for?
The questioner said: I am on the second floor of an old house in the northeast USA. There is another one at the entrance to… Read More »I am on the second floor of an old house in the northeast USA. There is another one at the entrance to the second floor, this at the backdoor. The button looks like a bell but what is the hole for?