Old Naval Observatory Building, circa April 2008


This file appears in: Old Naval Observatory (National Observatory; Naval Museum of Hygiene; Naval Medical School)
Old Naval Observatory Building, circa April 2008

Credit: https://commons.wikimedia.org/wiki/File:US_Naval_Observatory_(Washington,_District_of_Columbia).jpg


This file appears in: Old Naval Observatory (National Observatory; Naval Museum of Hygiene; Naval Medical School)