>I know a lot of things, but I have no idea wtf that is?
It is a trigonometry survey point. Useful for mapmaking.
You set your theodolite on top of it.
There are hundreds of them around UK and Ireland.
>I know a lot of things, but I have no idea wtf that is?
It is a trigonometry survey point. Useful for mapmaking.
You set your theodolite on top of it.
There are hundreds of them around UK and Ireland.