Thank you for the information. Indeed, I am interested in G-casemates. I decided that I will present a Polish bunkers.

Thank you for the information. Is in both cases were homogeneous armor?

Hello,
Colleagues have access to the archives. I know the two manufacturers G - casemates. Whether they were made of cast manganese?

Hello Arthur, I want to read about the Dutch fortifications. Of course I am interested in the dome combat.

Hello,
My name is Franz Aufmann. I live in Warsaw, Poland. I'm interested in fortification until 1941.