WORLD HISTORY AND FACTS

10.5 cm fortress guns A special weapon worth mentioning here is the 10.5 cm turret cannon , which will be dealt with in a separate article.  The remaining guns listed are fortress guns for a minimal embrasure opening ( minimum embrasure ). This means that the opening in the notch is just big enough for the gun barrel to fit through. These 10.5 cm guns and howitzers were mostly installed in rock works. In areas where there were no rocks, open pit bunkers were also built. The positions in Faulensee and Jaunpass are striking examples . Not all fortresses were initially equipped with the above guns. Some of the fortresses were reinforced with field artillery pieces.  This was primarily due to the lack of special bunker weapons or the 12 cm field howitzers, which were already older at the time in the mid-1940s , were installed.  Systems that were planned to be armored with field artillery can usually still be recognized today by the rather wide tunnels that were necessary so that the guns o