[hbhansen]

Originally Posted by fernando

Hi HB,
No wind mills in the area where your ball was found ?
... or prisons ?
Look here:

http://www.vikingsword.com/vb/showth...ht=cannon+ball

Another great link ! Thanks !

Took another look at it yesterday. It seems like the dot in the circle has got a thread. So maybe it has been hanging from a hook/eye or something that has been screwed in the ball.
It is most probably a counterweight of some kind. We didn't use those kind of windmills in Denmark, but it could have been used as a counterweight in another kind of industry maschine.

Best
HB