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Prof. J.C. Hammond, astronomer at the Naval Observatory
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Prof. J.C. Hammond, astronomer at the Naval Observatory

Harris & Ewing · 1923-01-01 · photo, print, drawing

From the collection of Library of Congress. Free to download, adapt and use — no permission needed.

Subjects
washington (d.c.)district of columbiaunited statesglass negatives
Credit lineProf. J.C. Hammond, astronomer at the Naval Observatory. 1923-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.
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