Hydrometer
name: label: maker
content: American Instrument Company
notes: label: Description
content: Glass hydrometer with mercury ballast, and paper label marked “Pat. Appl'd For PER CENT OF PROOF SPIRITS TP. 60° F. AMERICAN INSTRUMENT CO. WASHINGTON, D.C.” and in red ink “2631” and “1935.”
label: Description
content: Ref: George K. Porter, “Hydrometer,” U.S. Patent 2,195,339 (March 26, 1940), assigned to American Instrument Co.
label: Location
content: Currently not on view
place: label: place made
content: United States: District of Columbia, Washington
setName: label: See more items in
content: Medicine and Science: Physical Sciences
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.327005
label: catalog number
content: 327005
label: accession number
content: 267815
objectType: label: Object Name
content: hydrometer
physicalDescription: label: Measurements
content: overall: 10 in x 1 in; 25.4 cm x 2.54 cm
label: Measurements
content: overall: 10 in x 1 1/8 in; 25.4 cm x 2.8575 cm