Spectrometer

Spectrometer

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Description
This is a substantial brass instrument on a sturdy black iron base that 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.
Ref: Bausch & Lomb, Microscopes, Microtomes, Apparatus for Photo-Micrography, and Bacteriology (Rochester, 1896), p. 109.
Arthur H. Thomas, Laboratory Apparatus (Philadelphia, 1906), p. 348.
Location
Currently not on view
Object Name
spectrometer
date made
ca 1900
maker
Bausch & Lomb
Measurements
overall: 11 1/2 in; 29.21 cm
overall: 11 1/2 in x 14 in x 16 5/8 in; 29.21 cm x 35.56 cm x 42.2275 cm
ID Number
PH.334639
catalog number
334639
accession number
312090
Credit Line
Beloit College
subject
Science & Scientific Instruments
See more items in
Medicine and Science: Physical Sciences
Science & Mathematics
Optics
Data Source
National Museum of American History
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