- This hair hygrometer was probably designed by Charles F. Marvin, a meteorologist who became Chief of the Weather Bureau in 1913. The inscriptions read "U.S. WEATHER / BUREAU / No. 22" and 'H.J. GREEN B'KLYN, N.Y."
- Currently not on view
- Object Name
- Hair Hygrometer
- date made
- early 20th century
- Green, Henry J.
- place made
- United States: New York, Brooklyn
- overall: 12 in x 4 in x 3 in; 30.48 cm x 10.16 cm x 7.62 cm
- overall: 12 1/4 in x 5 1/2 in x 3 in; 31.115 cm x 13.97 cm x 7.62 cm
- ID Number
- catalog number
- accession number
- Credit Line
- U.S. Weather Bureau
- Science & Scientific Instruments
- See more items in
- Medicine and Science: Physical Sciences
- Data Source
- National Museum of American History
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