Machine gun casemate

The upper floor of 3-embrasure MG-bunker is on the photo. The bunker has been armed with Maxim 7.62 MGs on special mountings. The mountings has the blind aiming system (above it), box for used cartridges with powder gas aspirator (beneath it). The water for machine gun cooling delivered by special tubes from the can on the lower floor of the bunker. Climb-down to lower floor with guarding railings is seen on the right.