Spectrometer
date: label: date made
content: ca 1900-1920
name: label: maker
content: Gaertner
notes: label: Description
content: According to the maker, this sturdy brass instrument on a black iron base was “designed to meet the demand for a high class spectrometer for use in college and technical laboratories.” The horizontal circle is 15 cm diameter, graduated on silver 1’ and read by verniers and microscopes to 20” of arc. A brass tag reads “WM. GAERTNER & CO. / MAKERS / CHICAGO.”
label: Description
content: Ref: Wm. Gaertner & Co., <i>Optical Instruments</i> (Chicago, 1920), pp. 1-2.
label: Description
content: Wm. Gaertner & Co. ad in <i>Science</i> 56 (Dec. 29, 1922): xiii.
label: Location
content: Currently not on view
place: label: place made
content: United States: Illinois, Chicago
topic: label: Subject
content: Science & Scientific Instruments
setName: label: See more items in
content: Medicine and Science: Physical Sciences
label: See more items in
content: Science & Mathematics
label: See more items in
content: Optics
creditLine: label: Credit Line
content: Beloit College
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.334638
label: catalog number
content: 334638
label: accession number
content: 312090
objectType: label: Object Name
content: spectrometer
physicalDescription: label: Measurements
content: overall: 11 in; 27.94 cm
label: Measurements
content: overall: 11 7/8 in x 13 1/2 in x 9 1/2 in; 30.1625 cm x 34.29 cm x 24.13 cm