Naudet Aneroid Barometer

The face of this cylindrical instrument is marked “BAROMETRE HOLOSTERIQUE / COMPENSÉ / NAUDET & CIE. / PARIS / SERVICE MÉTÉOROLOGIQUE.” The additional circle with the letters “HBPN” was the logo of Naudet & Cie., and probably represents the words: Holosteric Barometer Paul Naudet. The firm was founded in Paris in 1860 by Paul Naudet, and used the term Holosteric to mean “without liquid.” The scale around the edge of the silvered metallic dial extends from 65 to 80 millimeters of mercury and is graduated to tenths. A blued needle indicates the present pressure; a brass needle indicates a previous observation. The U.S. Signal Corps transferred this instrument to the Smithsonian in 1923.
Currently not on view
Object Name
barometer, aneroid
date made
Naudet & Cie.
overall: 4 3/4 in; 12.065 cm
place made
France: Île-de-France, Paris
ID Number
accession number
catalog number
Measuring & Mapping
See more items in
Medicine and Science: Physical Sciences
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
U.S. Signal Corps

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