Prof. Hall of Naval Observatory with 26 inch telescope, [Washington, D.C.], 8/18/24
Summary
Public domain photograph, 1910s-1920s portrait, American, free to use, no copyright restrictions image - Picryl description
Tags
Date
1924
Location
Washington, District of Columbia, United States, 38.90719, -77.03687
Source
Library of Congress
Copyright info
No known restrictions on publication.