Apparatus for demonstrating 'animal electricity', early 19th century.
4 0 c m
actual image size: 22cm x 32cm

Apparatus for demonstrating 'animal electricity', early 19th century.

© Science Museum / Science & Society Picture Library


Frogs' legs connected to metal plates, possibly owned by Italian physicist and inventor, Count Alessandro Giuseppe Anastasio Volta (1745-1827). Luigi Galvani (1737-1798), another Italian, discovered 'animal electricity' in the late 18th century. This demonstrated that nerves and muscles in animals function by tiny electrical currents, and can be stimulated by the application of electricity from outside. This discovery was taken up by society and electrical treatments were soon in great fashion, and were believed to be able to cure all manner of complaints, from gout to paralysis. The term 'galvanise' - to shock or excite into action - takes its name from Galvani. Illustration from Volta's 'Le opere di Alessandro Volta' (The works of Alessandro Volta), published in Milan, 1918-1929.

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