ANTIQUE HOLOSTERIC BAROMETER (NPHB) FRANCEGEO. CHICAGO 18OO’S EARLY 1900′S. NPHB- Naudet – Pertuis – Hulot Baromètres on Sextagon Board. THE BAROMETER IS IN WORKING CONDITION. I DO NOT HAVE ANY KNOWLEDGE ABOUT BAROMETERS. TOP OF BAROMETER READS STORMY, CHANGE, FAIR, VERY DRY. THE BOTTOM READS N>P>H>B? [...]