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24/05/1686 A pioneer of exact thermometry Daniel Gabriel Fahrenheit is born

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Almanac: Fahrenheit's birthday

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Daniel Fahrenheit and the Mercury Thermometer NSM C2L5

Daniel Gabriel Fahrenheit was a Dutch-German-Polish physicist, inventor, and scientific instrument maker. A pioneer of exact thermometry, he helped lay the foundations for the era of precision thermometry by inventing the mercury-in-glass thermometer and Fahrenheit scale.