Hygrograph
date: label: date made
content: 1914-1923
name: label: maker
content: Friez, Julien P.
label: maker
content: Julien P. Friez & Sons
notes: label: Description
content: 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.
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.308178.1
label: accession number
content: 70852
label: catalog number
content: 308178.1
objectType: label: Object Name
content: Hygrograph
physicalDescription: label: Measurements
content: 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