Washington, D.C., circa 1938. "Mrs. James R. Arneill Jr.," a.k.a. Joyce Arneill. Harris & Ewing Collection glass negative. View full size.

New York, March 22, 1915. "Navy dirigible, Long Island." 5x7 glass negative, George Grantham Bain Collection. View full size.

New York, July 1910. "Goose Creek, houses on the water, Jamaica Bay, Long Island." 5x7 glass negative, George Grantham Bain Collection. View full size.

November 10, 1938. "Fulgencio Batista, the Cuban Army Sergeant who has risen to the heights of Caribbean Dictator, arrived in Washington today. This is the first time the Cuban Dictator has set foot outside his native land in 37 years. Gen. Malin Craig, the Army Chief of Staff, is shown with him as they pass the Capitol in a Cadillac." Harris & Ewing Collection glass negative. View full size.

Washington, D.C., circa 1935. "Mary F. Trager, portrait." Harris & Ewing Collection glass negative. View full size.

April 1943. Washington, D.C. "Pin boy at a bowling alley." Nitrate negative by Esther Bubley for the Office of War Information. View full size.

Washington, D.C., in 1918. "Fifteenth Street." Motoring past the Treasury Building with chains on. Harris & Ewing Collection glass negative. View full size.

October 2, 1922. Washington, D.C. "Ford Target Computor. Capt. H.E. Ely." An electro-mechanical approach to the aiming of large artillery pieces. National Photo Company Collection glass negative. View full size.

Washington, D.C., or vicinity, 1918. "Nat'l Emergency War Garden Commission. Girl Scouts and others." Harris & Ewing Collection glass negative. View full size.

July 16, 1925. Washington, D.C. "U.S. Patent Office." Information storage and retrieval in the analog age. National Photo Co. glass negative. View full size.

1923. Washington, D.C. "Unidentified women." There are two glass negatives of these lovely ladies; the caption labels are blank. National Photo. View full size.

May 4, 1925. Washington, D.C. "Sadie Leigh Lewis." A quick spin through the newspaper archive turns up these tidbits: Sadie died in 1944 and was a direct descendant of George Washington's sister Betty and her husband, Col. Fielding Lewis. Who can help us fill in the blanks of Sadie's life? View full size.

August 1940. Du Bois, Pennsylvania. "Farmer and wife at the Tri-County Farmers Co-op Market." Medium-format safety negative by Jack Delano. View full size.

November 1910. Birmingham, Alabama. "Donnie Cole. 'Our baby doffer,' they called him. This is one of the machines he has been working at for some months at the Avondale Mills. Said, after hesitation, 'I'm 12,' and another small boy added, 'He can't work unless he's twelve.' Child labor regulations conspicuously posted in the mill." Photograph and caption by Lewis Wickes Hine. View full size.

September 28, 1937. "Sees that Uncle Sam gets value in purchases. Miss Mary L. Rollins is responsible for seeing that the government gets value received for every dollar expended for paper and materials containing textile fibers. As fiber technologist of the National Bureau of Standards in Washington, she makes microscopic tests of typewriter paper, memo pads, envelopes, police uniforms, chair cushions, flags, etc. to determine whether the articles are delivered are represented when purchased." Harris & Ewing glass negative. View full size.