Observation Deck: Telescope at the United States Naval Observatory, 3450 Massachusetts Ave., N.W., Washington, D.C.

Saturday, August 13, 2022

Telescope at the United States Naval Observatory, 3450 Massachusetts Ave., N.W., Washington, D.C.

c1904. Waldon Fawcett.

https://www.loc.gov/item/89714236/

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