Very Rare Paul Naudet & Cie Holosteric Barometer for Chs. Offered is this very rare Paul Naudet & Cie Holosteric Barometer for Chs. Circa 1870’s/80’s, the company founded by Messrs. Hulot, Pertius and Paul Naudet produced high-quality barometers in Paris, France. The Naudet & Cie company was founded in 1860. They [...]