Hygrograph
Hygrograph
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- Description
- A hydgrograph records humidity as it varies over time. This example, which came to the Smithsonian in 1923, is marked "JULIEN P. FRIEZ & SONS, BELFORT METEOROLOGICAL OBSERVATORY, 1230 E. BALTIMORE STREET, BALTIMORE, M.D., U.S.A." and "HYGROGRAPH, Type ML 16, SERIAL 74865, SIGNAL CORPS, U.S. ARMY, ORDER 110418 DATE 2.8.23." The firm began trading under this name in 1914.
- Location
- Currently not on view
- Object Name
- Hygrograph
- date made
- 1914-1923
- maker
- Friez, Julien P.
- Julien P. Friez & Sons
- place made
- United States: Maryland, Baltimore
- Measurements
- overall: 7 3/8 in x 11 5/8 in x 9 1/2 in; 18.7325 cm x 29.5275 cm x 24.13 cm
- ID Number
- PH.308178.1
- accession number
- 70852
- catalog number
- 308178.1
- Credit Line
- U.S. Signal Corps
- See more items in
- Medicine and Science: Physical Sciences
- Measuring & Mapping
- Military
- Thermometers and Hygrometers
- Data Source
- National Museum of American History
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