Antique Holosteric aneroid barometer by Naudet (PNHB) with trade name Negus, New York. Large diameter model features dual thermometers; Fahrenheit and Reaumur/Centigrade. Great working and overall condition. Measures 8-1/4″ diameter by 2-1/4″ deep. PAUL MADDEN ANTIQUES has been an active marketplace for over 40 years with 3 generations of Maddens. We offer a large inventory [...]