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Excerpt from www.bbc.com
The operator, a man named Johann Maelzel, would assemble a paying audience, open the doors of the lower cabinet and show an impressively whirring clockwork mechanism that filled the inner compartments beneath the seated figure. Then he would close the cabinet, and invite a challenger to play chess. The automaton – the robot, as we would say now – would gaze at the opponent’s move, ponder, then raise its mechanical arm and make a stiff but certain move of its own.
The thing was a sensation.
Before it was destroyed by fire in New York in the 1850s, it played games with everyone from Benjamin Franklin to, by legend at least, Napoleon Bonaparte. Artificial intelligence, the 18th Century thought, had arrived, wearing a fez and ticking away like Captain Hook’s crocodile.
I should rush to say that, of course, the thing was a fraud, or rather, a trick – a clever magician’s illusion. A sliding sled on well-lubricated castors had been fitted inside the lower cabinet and the only real ingenuity was that this let a hidden chess player glide easily, and silently, into a prone position inside. There was just a lot more room to hide in the cabinet than all that clockwork machinery suggested.