Antique U.S. Standard Holosteric Barometer by Naudet
SKU:PMA231110Antique French holosteric barometer by Naudet-Pertuis-Hulot (PNHB) circa 1890. Brass case with bevelled glass and marked "U.S. Standard" on silvered dial. Great working and overall condition. Measures 6-5/8" diameter by 2-1/8" thick.