Spectroscope
date: label: date made
content: 1860s
name: label: maker
content: Desaga, Peter
notes: label: Description
content: This is a simple three-armed brass spectroscope with one glass prism, with a black iron tri-leg base, and a black iron tube to provide gas a flame. The “P. Desaga / Heidelberg / No. 661” inscription on the eye tube refers to Peter Desaga, the University of Heidelberg instrument maker who, in the late 1850s, made the instrument that Robert Bunsen and Gustav Kirchhoff used for their pioneering work in spectroscopy.
label: Description
content: This example resembles the instrument depicted in Henry Draper, “The Spectroscope and its Revelations,” <i>The Galaxy</i> (June 15, 1866): 303-319; reprinted in <i>Scientific American</i> (July 7, 1866): 17-18.
label: Location
content: Currently not on view
place: label: place made
content: Germany: Baden-Württemberg, Heidelberg
topic: label: Subject
content: Science & Scientific Instruments
setName: label: See more items in
content: Medicine and Science: Physical Sciences
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content: Science & Mathematics
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content: Optics
creditLine: label: Credit Line
content: John William Christopher Draper and James Christopher Draper
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.333970
label: catalog number
content: 333970
label: accession number
content: 304826
objectType: label: Object Name
content: spectroscope
physicalDescription: label: Measurements
content: overall: 10 in; 25.4 cm
label: Measurements
content: overall: 10 3/16 in x 8 7/8 in x 14 1/2 in; 25.87625 cm x 22.5425 cm x 36.83 cm