Hair Hygrometer

Hair Hygrometer

<< >>
Usage conditions apply
Downloads
Description
This brass instrument with silvered scale is inscribed "Fortin et Hermann, Genve. [?] à Paris" and "Humidité" (humidity) and "Secheresse" (dryness). Nicholas Fortin, the senior member of this firm, was an instrument maker well known for his improved mercury barometer. The U.S. Military Academy bought this example in the early 1830s.
Location
Currently not on view
Object Name
hair hygrometer
date made
ca 1829
maker
Fortin et Herrmann
place made
France: Île-de-France, Paris
Measurements
overall: 13 in x 3 7/8 in x 2 1/8 in; 33.02 cm x 9.8425 cm x 5.3975 cm
ID Number
PH.315744
catalog number
315744
accession number
217544
Credit Line
U.S. Military Academy
subject
Science & Scientific Instruments
See more items in
Medicine and Science: Physical Sciences
Military
Thermometers and Hygrometers
Data Source
National Museum of American History
Nominate this object for photography.   

Our collection database is a work in progress. We may update this record based on further research and review. Learn more about our approach to sharing our collection online.

If you would like to know how you can use content on this page, see the Smithsonian's Terms of Use. If you need to request an image for publication or other use, please visit Rights and Reproductions.

Comments

Add a comment about this object