Preserving the Rails-to-Rotunda Story of Charles F. Thomas: treating a hand-colored salted paper photograph (opens in new tab)

From designing early locomotives to raising the Statue of Freedom on the Capitol Dome, Charles Frederick Thomas played a unique role in D.C. history. Harper-Inglis Fellow in Photograph Conservation, Sophie Hoone, discusses the treatment of a hand-colored photograph of a locomotive from the Charles Frederick Thomas Photographs collection in the Prints and Photographs Division.