September 1940. "Mountaineer trying to change tire with a fence post as a jack. Up south fork of the Kentucky River, Breathitt County." 35mm nitrate negative by Marion Post Wolcott for the Farm Security Administration. View full size.

"Lincoln Memorial. July 16, 1926." View full size. National Photo Company.

May 30, 1924. "Memorial Day, Arlington National Cemetery." View full size. National Photo Company Collection glass negative, Library of Congress.

June 1942. "Eight units in generator hall of a new addition to TVA's hydroelectric plant at Wilson Dam, Sheffield vicinity, Alabama." Much, if not most, of the energy from the huge Tennessee Valley Authority hydroelectric projects undertaken during the war was used to run the uranium enrichment plants at the government's secret atom-bomb facility in Oak Ridge. View full size. 4x5 Kodachrome transparency by Alfred Palmer for the Office of War Information.

Another circa 1920 shot of the stage and film actress Grace Valentine and that Packard Twin Six roadster. Starting in 1916, Grace was one of the players in a Vitagraph film serial called The Scarlet Runner, about young Christopher Race and his "super car," the Scarlet Runner. (The final installment of the 12 two-reel episodes was "The Car and the Girl.") While unfortunately no prints of the film are known to survive, the story still exists on paper, having been serialized in newspapers of the day. View full size. George Grantham Bain Collection.

March 13, 1923. "Amaryllis Show, Department of Agriculture." View full size. National Photo Company Collection glass negative, Library of Congress.

"Wildflowers of Palestine. Yellow amaryllis (Sternbergia Clusiana Gaul)." Circa 1920 dry plate glass stereograph. View full size. Matson Photo Service.

Washington, 1923. "Beef in storage." View full size. National Photo Company.

March 21, 1927. Washington, D.C. "Ruth Jardine (at right) and class at Amaryllis show." View full size. National Photo Company Collection glass negative.

Washington, D.C., circa 1936. "Tech High School students." View full size. 5x7 safety negative, National Photo Company Collection.

Washington, D.C. May 31, 1924. "High school track." National Photo Company Collection glass negative, Library of Congress. View full size.

The actress Grace Valentine circa 1920 in an expensive looking Packard roadster. 5x7 glass negative, George Grantham Bain Collection. View full size.

Bethesda, Maryland. "Cooking class, Chevy Chase High School, 1935." 5x7 safety negative, National Photo Company Collection. View full size.

March 25, 1925. Washington, D.C. "Central High School rowing class. Pictured rowing are: Stanley Durkee, Arthur Dorton, Ronald Collauday, Donald Kline, William Stewart and Elkin Hale." Although the negative is dated 1925, the print giving names of the rowers is dated 1919. National Photo Company Collection glass negative. View full size.

The film and stage actress Grace Valentine circa 1920 at the wheel of an enormous roadster. View full size. 5x7 glass negative, George Grantham Bain Collection.