7.5 cm Leichtgeschütz 40 - Wikipedia

Krupp 80 cm Kanone Schwerer Gustav (Dora) Railway Gun

Schwerer Gustav (World War 2) Minecraft Map

All About Schwerer Gustav & DORA Der Deutsche Stahlhelm 1939's Blog

Schwerer Gustav, Homeanimations tanks (English) Wiki

Trivia: Gustav Max was based on Schwerer Gustav, the rail cannon made and used by the nazi germany, also considered the largest gun ever used in a war. : r/DuelLinks

Artillery wagon - Factorio Wiki

What was the most popular type of gun in Germany before World War

Rail mounted guns

Solved 2. (5 points) According to Wikipedia, Schwerer

Schwerer Gustav