u/Klockljung

Image 1 — What are these markings on the window pane?

Image 2 — What are these markings on the window pane?

Image 3 — What are these markings on the window pane?

▲ 20 r/Whatisthis

What are these markings on the window pane?

I saw this in our old barn. I found the same markings on another window, in the same spot. What is it?

u/Klockljung — 21 hours ago