Hi,
Have been trying to find snaps I took a couple of years ago of the Bov Hetzer sockets but without sucess. However I have a very clear recollecton that the sockets were:
a) welded with their top edges horizontal to the ground. This was confirmed visually on the Shriv KT in October.
b) Each socket had a small 5-8mm drain hole at the bottom to allow rainwater to run out.
c) Each socket had a coarse internal thread machined in hold the jib eyes in place in operation. Obvious really but no one else has mentioned it, and I only discovered it by reaching up and sticking my finger into the socket. Much the same way I discovered AC voltage at an early age

!
Cheers all and belated Happy Thanksgiving to my American friends.
Fabrice