Wooden box containing a glass reflection diffraction grating under a plexiglas cover for the nebular spectrograph used on the Hale Telescope at the Palomar Observatory in California.
Created by
Eric Long
Date Created
01/28/2016
Source
Smithsonian National Air and Space Museum
Keywords
INSTRUMENTS Scientific
Rights and Restrictions
Usage conditions apply For more information, visit the Smithsonian’s Terms of Use.