This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Chess Turk. Wolfgang von Kempelen's fraudulent Chess automaton later exhibited by Johann Nepomuk Maelzel Illustration in Freiherr Joseph Friedrich zu Racknitz ber den Schachspieler des Herrn von Kempelen Leipzig In the public domain en Sreejithk CommonsHelper AxelBoldt en PDold original upload log page en ChessTurk AxelBoldt