Hair Hygrograph
name: label: maker
content: Julien P. Friez & Sons
notes: label: Description
content: A hygrograph recordd variation in atmospheric humidity. This example is marked "JULIEN P. FRIEZ & SONS, BELFORT METEOROLOGICAL OBSERVATORY, 1230 E. BALTIMORE STREET, BALTIMORE, M.D., U.S.A." and "HYDROGRAPH, TYPE ML 16, SERIAL 74865, SIGNAL CORPS, U.S. ARMY, ORDER 110418, DATE 2/8/23." It was made between 1914 when the firm began trading under this name, and 1923, when it came to the Smithsonian. The cover is missing.
label: Location
content: Currently not on view
place: label: place made
content: United States: Maryland, Baltimore
setName: label: See more items in
content: Medicine and Science: Physical Sciences
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content: Military
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content: Thermometers and Hygrometers
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content: Measuring & Mapping
creditLine: label: Credit Line
content: U.S. Signal Corps
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.308178.2
label: catalog number
content: 308178.2
label: accession number
content: 70852
objectType: label: Object Name
content: Hygrograph
physicalDescription: label: Measurements
content: overall: 6 3/8 in x 12 in x 9 3/8 in; 16.1925 cm x 30.48 cm x 23.8125 cm