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At the Institute’s core is the Gilder Lehrman Collection, one of the great archives in American history. More than 85,000 items cover five hundred years of American history, from Columbus’s 1493 letter describing the New World through the end of the twentieth century.

[Washington, D.C. Officers and clerks on a porch at Signal Corps headquarters]

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Gilder Lehrman Collection #: GLC05111.01.0179 Author/Creator: Place Written: Washington, D.C. Type: Photograph Date: May 1865 Pagination: 1 albumen print ; 23.5 x 18.1 cm. Order a Copy

A print of a photograph of the Signal Corps headquarters in Washington, DC. Two Union officers pose on a second story deck with nine soldiers and civilians. Besides the officers, only the man on the far right hand side of the photograph wears a complete uniform. The remaining eight men wear an assortment of military and civilian garb or complete civilian garb. The man third from right wears either fatigue blouse or sack coat with what appears to be the crossed-axes badge of the Pioneer Corps. Verso notation: "XXIX" "695". Library of Congress negative reveals more of the building visible at top and bottom though nothing of significance.

Title and other information from Library of Congress entry, see https://www.loc.gov/resource/cwpb.04146/.

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