View of Diffraction gratings

Diffraction Gratings - Museum pieces: This is a collection of old diffraction gratings.  They vary in the number of lines per inch, and some are marked and some are not marked.  The dates on them go back to 1876., Credit Line: U.S. Military Academy, courtesy of AIP Emilio Segrè Visual Archives
Abstract/Description: Diffraction Gratings - Museum pieces: This is a collection of old diffraction gratings. They vary in the number of lines per inch, and some are marked and some are not marked. The dates on them go back to 1876.
Subject(s): Equipment and supplies
Instruments
West Point (N.Y.)
United States Military Academy
Credit Line: U.S. Military Academy, courtesy of AIP Emilio Segrè Visual Archives
Catalog ID: US Military Academy F10