Spectrometer
date: label: date made
content: ca 1900
name: label: maker
content: Bausch & Lomb
notes: label: Description
content: This substantial brass instrument on a sturdy black iron base could be used as a spectrometer or a goniometer. The horizontal circle is 15 cm diameter, graduated on silver to 1’ and read by verniers and microscopes to 20” of arc. The heavy flint glass prism has been lost.
label: Description
content: Ref: Bausch & Lomb, <i>Microscopes, Microtomes, Apparatus for Photo-Micrography, and Bacteriology</i> (Rochester, 1896), p. 109.
label: Description
content: Arthur H. Thomas, <i>Laboratory Apparatus</i> (Philadelphia, 1906), p. 348.
label: Location
content: Currently not on view
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: Beloit College
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.334639
label: catalog number
content: 334639
label: accession number
content: 312090
objectType: label: Object Name
content: spectrometer
physicalDescription: label: Measurements
content: overall: 11 1/2 in; 29.21 cm
label: Measurements
content: overall: 11 1/2 in x 14 in x 16 5/8 in; 29.21 cm x 35.56 cm x 42.2275 cm