[Fort Slemmer Company and 2nd Pennsylvania Artillery, Fort Slemmer, Washington, D.C.]Unknown · 1862

[Fort Slemmer Company and 2nd Pennsylvania Artillery, Fort Slemmer, Washington, D.C.]

Albumen silver print from glass negativeThe Metropolitan Museum of Art · CC0 1.0 · WikidataLindy Arts

[Fort Slemmer Company and 2nd Pennsylvania Artillery, Fort Slemmer, Washington, D.C.]

Unknown · 1862

[Fort Slemmer Company and 2nd Pennsylvania Artillery, Fort Slemmer, Washington, D.C.]

Albumen silver print from glass negative

The Metropolitan Museum of Art · CC0 1.0 · Wikidata