The aiming circle for the gun still there!
Restored crew room with a box for the filters.
Festungfernsprecher with the instructions on paper.
Generator room for the exhaust ventilator. It is not the original one. This particular casemate had a generator outside too, for electricity.
The collection of the 10.5 cm ammunition.
A the gun itself.
The aiming periscope.
It's not wine but drinking water.