Spectrometer
name: label: maker
content: Gaertner Scientific Corporation
notes: label: Description
content: This spectrometer was used at the U.S. Naval Observatory. The “GAERTNER / SCIENTIFIC CORPORATION / CHICAGO / PAT. NO. 1715030 / SER. NO. 184” inscription refers to the maker and the mechanism for reading the scale.
label: Description
content: Ref: William Gaertner, “Indicator,” U.S. Patent 1,715,030 (May 28, 1929).
label: Description
content: Lyman W. Higgins, “The Work of William Gaertner,” Popular Astronomy 52 (1944): 442-445.
label: Location
content: Currently not on view
place: label: place made
content: United States: Illinois, Chicago
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: 2005.0172.17
label: accession number
content: 2005.0172
label: catalog number
content: 2005.0172.17
objectType: label: Object Name
content: spectrometer
physicalDescription: label: Measurements
content: 11: 18 1/2 in; 46.99 cm
label: Measurements
content: overall: 10 15/16 in x 18 3/8 in x 18 5/8 in; 27.78125 cm x 46.6725 cm x 47.3075 cm