1784 automaton plays the dulcimer - GIF

1784 automaton plays the dulcimer.

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Previously:

Amedeo Capelli micro automatons - GIF
Clock plus automaton plus music box plus painting in one - GIF
Roentgen automaton - video
Scribbling automatons - GIF
The Writer automaton - GIF
Wooden geared pegasus automaton - GIF

Would love to see the mechanics behind this. Quite amazing