Volta pistol, posibly late 18th Century.
3 4 c m
actual image size: 32cm x 26cm

Volta pistol, posibly late 18th Century.

© Science Museum / Science & Society Picture Library


This instrument was invented by Count Alesandro Anastasio Volta (1745-1827), the Italian physicist and inventor of the voltaic pile, an early battery. A Volta pistol is a pistol-shaped device that is filled with an explosive mixture of gases (hydrogen and air or oxygen for example) and closed with a cork. An electrical discharge is then pased acros a small spark gap inside the pistol, using electrodes pasing through the barrel. The spark ignites the mixture and shoots a cork out of the end of the pistol.

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