French Hygrometer marked Richer, France, 18th century

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Sold Date 2026 full date locked

Source BONHAMS AUCTIONEERS & VALUERS, Skinner Marlborough, Massachusetts

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Description

FRENCH HYGROMETER MARKED RICHER, FRANCE, 18TH CENTURY Lacquered brass instrument with a 4-in. dia. scale marked 0-100, hair mounted to the arbor of the index hand, thermometer with enclosed glass mercury tube and scales marked Fahrenheit/Reaumur, mahogany stepped base ht. 17 1/2 inches