The 42 cm kurze Marinekanone L/12, or Gamma-Gerät, was a German siege gun built by Krupp. The Gamma-Gerät's barrel diameter was 42 cm, making it one of the largest artillery pieces ever fielded. The G
The 42 centimeter kurze Marinekanone 14 L/12, or Minenwerfer-Gerät, popularly known by the name of Big Bertha, was a German siege howitzer built by Krupp AG in Essen, Germany and fielded by the Imperi
42 cm Gamma howitzer
…barrels. The power but near-immobility of the Gamma-Gerät inspired further development by the APK, who addressed mobility in the development of the M-Gerät "Big Bertha" howitzer by pulling it with tractors. The Gamma-Gerät was the largest and most powerful siege gun deployed by the Imperial German Army. Fully assembled…
Model of an M-Gerät at the Musée de l'Armée in Paris