Mercury barometer in veneered wood of banjo type signed D. GUGERI in Boston equipped with a spirit level, a humidity measuring system and an alcohol thermometer in degree Fahrenheit. The barometer and thermometer are placed under a protective glass. The plating above the barometer is missing and the Dry Damp system needs restoration. System to be revised. H: 100 cm Provenance: Sale at Drouot on July 18, 2003.