Bidspirit auction | PHBN French Brass Holosteric Barometer

PHBN French Brass Holosteric Barometer - French holosteric barometer by PHBN (Pertuis, Hulot, Bourgeois, Naudet). Features a brass case, beveled glass, and open center exposing the aneroid mechanism. Dial includes dual curved thermometers and is marked for retailer Howard Baker & Co, Buffalo, N.Y. Measures 6.5 inches in diameter. Shows tarnish to brass case and minor wear to dial.