An 800 mm Schwerer Gustav shell at the Imperial War Museum…

Schwerer Gustav was a German 80-centimetre railway gun. It was developed in the late 1930s by Krupp in Rügenwalde as siege artillery for the explicit purpose of destroying the main forts of the French Maginot Line, the strongest fortifications in existence at the time. The fully assembled gun weighed nearly 1,350 tonnes and could fire shells weighing 7 tons to a range of 47 km. The gun was designed in preparation for the Battle of France, but was not ready for action when the battle began, and in any case the Wehrmacht

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80 cm Gun Shell, Inside the Imperial War Museum in London, …

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