1925. "Sgt. Jiggs." The Marine Corps mascot in Washington, D.C., with an actual Marine. National Photo Company Collection glass negative. View full size.

New York, 1909. "Hudson-Fulton celebration. Union League Club illumination." 8x10 glass negative, George Grantham Bain Collection. View full size.

April 10, 1925. Washington, D.C. "Miss Nancy Weeks with Mr. Rowe." National Photo Company Collection glass negative. View full size.

December 1864. "Slabtown. Hampton, Virginia." One of two views of Hampton's slave refugee camps built during the Civil War. The dooryards and various blurry figures moving about in this broken glass negative afford a rare glimpse of life in the mid-19th century. Photographer unknown. View full size.

December 1864. "Hampton, Virginia. View of the town. From photographs of the Federal Navy and seaborne expeditions against the Atlantic Coast of the Confederacy." Wet-plate glass negative, photographer unknown. View full size.

"1935 or 1936. Saint Charles Street. Liberty Theatre, New Orleans." Now playing: Wheeler and Woolsey in "The Rainmakers," with a product tie-in. Large-format nitrate negative by Walker Evans, Resettlement Administration. View full size.

Washington, D.C., circa 1917. A Victrola talking machine on the delivery wagon at the Woodward & Lothrop department store. Harris & Ewing. View full size.