light fortification building - bunker and an anti-tank hedgehogs

1938 1939 according accurate after also antitank army benches both bounced building buildings bunker connections copies creates crew devalued during equipment everything exceptionally exhaust exhibition exterior fan first fortification fumes gun guns heavy hedgehogs impression inspections installed interior kladruby light logs machine main model more mounts officially original period periscopes planned put reconstruction regulations repaired rifles service several shooting state telephone weapon weapons where whole years