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Spectrometer

National Museum of American History

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Object Details

Franz Schmidt & Haensch
Description
This is a solid and substantial instrument of iron and brass. The horizontal circle, 4.25 inches diameter, is graduated by half degrees and read, by verniers with magnifying lenses, to single minutes of arc. The prism is missing. The "Franz Schmidt & Haensch" "Berlin, S." inscription on the circle refers to an optical instrument firm that began in business in 1864, and that trades today as Schmidt & Haensch.
Franz Schmidt & Haensch described this as a small spectrometer according to Victor von Lang. Von Lang (1838-1921) was a noted crystallographer in Vienna who described the form in the late 1870s.
Ref. Special Catalogue of the Collective Exhibition of Scientific Instruments Exhibited by the Deutsche Gesellschaft für Mechanik und Optik (Berlin, 1893), pp. 97-98.
German Educational Exhibition, World’s Fair St. Louis 1904, Scientific Instruments (Berlin, 1904), p. 124.
Location
Currently not on view
Credit Line
Lafayette College
20th century
ID Number
1981.0826.02
catalog number
1981.0826.02
accession number
1981.0826
Object Name
spectrometer
Measurements
overall: 10 1/4 in; 26.035 cm
overall: 10 5/8 in x 9 1/4 in x 16 3/4 in; 26.9875 cm x 23.495 cm x 42.545 cm
place made
Germany: Berlin
See more items in
Medicine and Science: Physical Sciences
Science & Mathematics
Optics
National Museum of American History
subject
Science & Scientific Instruments
Record ID
nmah_1464554
Usage of Metadata (Object Detail Text)
CC0
GUID (Link to Original Record)
http://n2t.net/ark:/65665/ng49ca746ae-2850-704b-e053-15f76fa0b4fa
There are restrictions for re-using this image. For more information, visit the Smithsonian's Terms of Use page .
International media Interoperability Framework
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more.
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