Our Collection

At the Institute’s core is the Gilder Lehrman Collection, one of the great archives in American history. More than 70,000 items cover five hundred years of American history, from Columbus’s 1493 letter describing the New World to soldiers’ letters from World War II and Vietnam. Explore primary sources, visit exhibitions in person or online, or bring your class on a field trip.

Unknown Caldwell, Telegrapher, H.Q. A of P[otomac] [ambrotype]

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Gilder Lehrman Collection #: GLC05111.01.0492 Author/Creator: Unknown Place Written: [s.l.] Type: Photograph Date: Pagination: 1 tintype 11.1 x 8.3 cm

Summary of Content: Title from inscription on verso. With brass protector. Full-length portrait, standing in front of tent. Name and title scratched on the lower left hand side of the plate.


Historical Era: Civil War and Reconstruction, 1861-1877

Subjects: Civil WarMilitary HistoryUnion ForcesTelegraphArmy of the Potomac

Sub Era: The American Civil War

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