If you have a 'secret impressive weapon' like the 42cm, with unimaginable properties, you can use myth forming to add to itspsychological effects. With such a weapon all fortification must fall. This weapon will win the war for us.
There are lots of "marketing goods" with relation to the 42cm, even a wooden model was made which could be seen in a circus tent, travelling the land. The Bayerisches Armeemuseum is the Military History Museum of Bavaria. It was founded in 1879 in Munich and is located in Ingolstadt since 1972. In their collection a few 42cm related objects, prullaria
