Spectroscope

Description
The John C. Green Observatory for student instruction was erected at Princeton University in 1877, and equipped with a 9½ inch refracting telescope made by Alvan Clark & Sons of Cambridgeport, Mass. This spectroscope was designed for use with that telescope. It was made by the Clarks, and could hold either a prism or a diffraction grating.
Location
Currently not on view
Object Name
spectroscope
date made
1877
maker
Clark, Alvan
Measurements
overall: 29 1/2 in x 19 in x 8 in; 74.93 cm x 48.26 cm x 20.32 cm
overall: 28 in x 14 in x 7 1/2 in; 71.12 cm x 35.56 cm x 19.05 cm
place made
United States: Massachusetts, Cambridge
ID Number
PH*328661.1
catalog number
328661.1
accession number
275579
subject
Science & Scientific Instruments
See more items in
Medicine and Science: Physical Sciences
Science & Mathematics
Optics
Data Source
National Museum of American History, Kenneth E. Behring Center

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