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Johann Georg Tralles


 

Johann George Tralles (October 15, 1763November 19, 1822) was a German mathematician and physicist.

Related Topics:
October 15 - 1763 - November 19 - 1822 - German - Mathematician - Physicist

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He was born in Hamburg, Germany, and was educated at the University of Göttingen beginning in 1782. He became a professor at the University of Bern in 1785. In 1810 he became a professor of mathematics at the University of Berlin.

Related Topics:
Hamburg, Germany - University of Göttingen - 1782 - University of Bern - 1785 - 1810 - University of Berlin

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In 1798 he served as the Swiss representative to the French metric convocation, and was a member of its committee on weights and measures. An iron "committee" meter, a duplicate of the prototype archive meter, was then given as a gift to Ferdinand Rudolph Hassler. From 1803 until 1805 these two men worked together on a topological survey of the Canton of Bern.

Related Topics:
1798 - Swiss - French metric convocation - Ferdinand Rudolph Hassler - Canton - Bern

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He was the inventor of the alcoholmeter, a device for measuring the amount of alcohol in a liquid.

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He died in London, England. Tralles crater on the Moon is named for him, as is the alcoholmeter he invented.

Related Topics:
London, England - Tralles crater - Moon

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