15th Century Machine Gun

When an ancient three-barrelled cannon was discovered by schoolchildren, museum officials would have known they had stumbled on a rare find.

But now, 40 years after the discovery of the unique weapon, they have learned just how important it is – the gun is a prototype designed by Leonardo Da Vinci himself.

The cannon was discovered in a Croatian fort, but only now has it been confirmed it was designed more than 500 years ago by the artist and inventor.

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It never ceases to amaze me with the items Da Vinci thought up. He was centuries ahead of his time. Just imagine the types of inventions he would create were he living today.