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Digesting Duck

18th Century automaton

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Through Duck and Short story

Voltaire wrote in 1769 that "Without the voice of le Maure and Vaucanson's duck, you would have nothing to remind you of the glory of France."

The duck is thought to have been destroyed in a fire at a private museum in 1879.

Operation

The automaton was the size of a living duck, and was cased in gold-plated copper. As well as quacking and muddling water with its bill, it appeared capable of drinking water, and of taking food from its operator's hand, swallowing it with a gulping action and excreting what appeared to be a digested version of it.

Vaucanson described the duck's interior as containing a small "chemical laboratory" capable of breaking down the grain. When the stage magician and automaton builder Jean-Eugène Robert-Houdin examined the duck in 1844, he found that Vaucanson had faked the mechanism, and the duck's excreta consisted of pre-prepared breadcrumb pellets, dyed green. Robert-Houdin described this as "a piece of artifice I would happily have incorporated in a conjuring trick".

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