Astronomical Spectroscope

Description
In this highly-dispersive instrument, light from the slit passes through the upper part of six tall equilateral prisms, through a totally reflecting prism, and then back through the lower part of the six prisms and into the viewing scope. Howard Grubb, an optical instrument designer from Ireland, introduced the form in 1870.
Location
Currently not on view
Object Name
spectroscope
date made
1850-1900
ID Number
PH*328766
catalog number
328766
accession number
308252
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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