Jacques Buot

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Jacques Buot , also Buhot († around 1675 ) was a French mathematician, engineer and astronomer.

Buot was an astronomer and engineer for the French king and since its foundation in 1666 a member of the Académie des sciences .

In 1667 he was involved in Christian Huygens' measurements of the inclination of Saturn's ring to the ecliptic. He also invented an astronomical instrument (Équere azimutale) for measuring the inclination between the meridian (astronomy) and the horizon. He also dealt with physical experiments following Huygens, for example with the measurement of the volume expansion of water when it solidifies to form ice. In 1669 he was involved in the discussions of the academy (also with Huygens) about the causes of gravity and opposed a theory of action at a distance .

The engineer Claude-Antoine Couplet was his student and son-in-law. In 1670 he sold this his royal mathematics professorship at the Grande Écurie .

After Condorcet he died in 1675, after a letter from Olaus Römer to Huygens not until 1677. He last received his monthly salary as a member of the Academy in June 1676.

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