Schwerer Gustav (English: Heavy Gustaf, or Great Gustaf) and Dora were the names of two German 80 cm K (E) railway guns. They were developed in the late 1930s by Krupp as siege artillery for the explicit purpose of destroying the main forts…
These 'secret weapons' were much larger than the siege artillery of World War I and included the largest artillery piece of the war, the massive 80cm railway gun 'schwere Gustav' (Heavy Gustav).
Kniha Die schwedische Invasion 1630: Rettung des Protestantismus oder pragmatische Machtpolitik? z druhé ruky. Na Knihobotu seženete bestsellery, klasiku i raritky, které jinde nenajdete.