<a href="https://en.wikipedia.org/wiki/en:Battle_of_Gettysburg" class="extiw" title="w:en:Battle of Gettysburg"><span title="battle of the American Civil War">Battle of Gettysburg</span></a>: <a href="https://en.wikipedia.org/wiki/en:Albumen_print" class="extiw" title="w:en:Albumen print"><span title="photographic technique / process">albumen print</span></a>, height: 6.9 in (17.6 cm); width: 9 in (22.8 cm)<div style="display: none;">dimensions QS:P2048,6.9375U218593</div><div style="display: none;">dimensions QS:P2049,9U218593</div>
<bdi><a href="https://en.wikipedia.org/wiki/en:Timothy_H._O%27Sullivan" class="extiw" title="w:en:Timothy H. O'Sullivan"><span title="American photographer">Timothy H. O'Sullivan</span></a>
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<a href="https://en.wikipedia.org/wiki/en:Negative_(photography)" class="extiw" title="w:en:Negative (photography)"><span title="photographs in which the tones or colors are reversed from their appearance in nature, usually on a transparent support of celluloid, acetate, or on paper, intended for the purpose of producing positive prints">negative</span></a>: July 1863<br><a href="https://en.wikipedia.org/wiki/en:Photographic_printing" class="extiw" title="w:en:Photographic printing"><span title="the process of producing a final image on paper">photographic printing</span></a>: 1866
<bdi><a href="https://en.wikipedia.org/wiki/en:J._Paul_Getty_Museum" class="extiw" title="w:en:J. Paul Getty Museum"><span title="art museum in Los Angeles, California">J. Paul Getty Museum</span></a>
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