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Thursday, December 14, 2017
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The Notebooks Of Leonardo Davinci by Kevin Wilson
... Other inventions include a submarine, a cog-wheeled device that has been interpreted as the first mechanical calculator, and a car powered by a spring mechanism. In his years in the Vatican, he planned an industrial use of solar power, by employing concave mirrors to heat water. While most of Leonardo's inventions were not built during his lifetime, models of many of them have been constructed with the support of IBM and are on display at the Leonardo Da Vinci Museum at the Château du Clos ...

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