Mine anemometer with cups, circa 1900 - Lot 53

Lot n° 53
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Estimation :
200 - 450 EUR
Mine anemometer with cups, circa 1900 - Lot 53
Mine anemometer with cups, circa 1900 Antique mechanical anemometer designed to measure air velocity in mines, tunnels, and underground galleries. The device is equipped with a four-cup rotor protected by a metal cage and connected to a graduated dial bearing the inscription “MTR.” The various counters record the number of rotations and calculate air displacement. Constructed of weathered metal with a cylindrical brass base. A scientific and industrial instrument from the early 20th century, showing signs of use, oxidation, and an aged patina. Details: Mechanical cup anemometer, metal and brass, early 20th century, height 19 cm.
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