English clockmaker Samuel Watson produces the "Physicians pulse watch", the first watch with a lever that stops the second hand,[1] i.e. a stopwatch.[2]
Events
Gottfried Leibniz publishes his "New System of the Nature and Communication of Substances".[3]
Denis Papin moves from Marburg to Kassel and publishes Recueil de diverses pièces touchant quelques machines.
↑Leibniz, G. W. (1989). Philosophical Essays. Indianapolis: Hackett. p.138. ISBN0-87220-063-9.
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