Scientific American. 51.3 June 22, 1907. … its production is the "Writer," represented the two Jaquet-Drozes that a revolution Mechanism. in Fig. 1, a child of about four years of was wrought in this state of matters. age, who sitting at his little table, patiently waits Pierre Jaquet-Droz had, as a youth, on account of his with the pen in…
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