The scurimobile was invented by Alessandro Scuri of Belgium, also the inventor of the unicycle, in the 19th century. It is a gun with two adjustable barrels that can be independently, yet simultaneously, aimed at different objects (see photo above).
Here’s another 19th century curiosity that might blow you away.

An illustration of the photographic gun, from the book "Magic, Stage Illusions and Scientific Diversions Including Trick Photography." Public Domain