The 47 mm antitank gun was used in the positions that defended the moat.
The rusty remains of a periscope.
The breech of a 75 mm gun.
The barrel shows the lands and the grooves.
Three 81 mm mortars were placed in a basement of a special construction in the center of the fortress.
A Browning FM30 machine gun for defending the entrance.
The bracket for a Maxim water cooled machine gun. These weapons were placed in the observation cupolas.