The Improvised Smith Gun
In the first part of World War 2, stuff did not go too good for Great Britain. The island country found it for a large period alone and isolated, with the armies of Hitler just a channel away from their shores. To further complicate the matter, the Germans had tanks and the Brits had few tank-killing guns. This case of military heartburn led to the invention of the Smith Gun.
Looking like a cross between a hot dog cart and a baby carrage, the improvised direct fire mortar was good against German tanks at 50-yards.
As long as the shell didnt blow up inside the barrel.
The Smith Gun has to be one of the very few guns ever made that was designed to fire on its side.
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