4 Free Artworks of Foggy Bottom

octagon house (washington, d.c.)united states naval observatory1873 works in the united statestelescopes containing lenses ground by alvan clark & sonsalvan clark
OctagonHouse-Washington-DC DSC6648 (cropped)
octagon house (washington, d.c.)foggy bottom
The Octagon House - Washington, D.C.
octagon house (washington, d.c.)the octagon house
Usno-telescope-equalized-1, Alvan Clark
united states naval observatory1873 works in the united states
USNO26in-2, Alvan Clark
united states naval observatory1873 works in the united states
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