|
First thoughts about a heavy mortar which could fight against strongest fortifications were started by Rheinmetall in 1935. In 1937, the Ordnance Department allowed the development as a self propelled gun. On 2nd July 1940, the first finished Gerät 040 could be presented. (Photo: German federal archive via Wikimedia Commons; License: Creative Commons BY-SA-3.0-gb)
|
|