April 14, 1925. Washington, D.C. "Miss Mae Esterly with Sgt. Jiggs." National Photo Company Collection glass negative. View full size.

"Trew Motor Co. interior." Circa 1920, the Reo automobile showroom (and conservatory) in Joseph Trew's new three-story building at 14th and P Streets N.W. in Washington. National Photo Company glass negative. View full size.

Oct. 15, 1910. "Wellman airship seen from Trent." Walter Wellman's hydrogen dirigible America just before being abandoned by its crew near Bermuda, 1,370 miles into an attempt to cross the Atlantic from New Jersey. Its engines having failed, the America drifted out of sight, never to be seen again. View full size.

Washington, D.C., circa 1916. "George Parezo Electric Shop, 808 Ninth Street N.W." National Photo Company Collection glass negative. View full size.

Circa 1921. Cutaway model of an F5L flying boat at the Smithsonian Institution in Washington. National Photo Company Collection glass negative. View full size.

1921 or 1922. "Aeroplane exhibit, museum." For a closeup of the sign click here. National Photo Company Collection glass negative. View full size.

1865. "Charleston, South Carolina. View from roof of Orphan Asylum. The Citadel in middle distance." From photographs of the Federal Navy and seaborne expeditions against the Atlantic Coast of the Confederacy, 1863-1865. Wet plate glass negative, half of stereo pair, photographer unknown. View full size.

1864. "James River, Virginia. Double-turreted monitor U.S.S. Onondaga; soldiers in rowboat." From photographs of the Federal Navy and seaborne expeditions against the Atlantic Coast of the Confederacy, 1861-1865. View full size.

January 13, 1926. "Violet Ray treatment on white rats at Agriculture Dept." National Photo Company Collection glass negative. View full size.

November 1911. Chicopee, Massachusetts. "Group of workers in Dwight Manufacturing Co. Stanley Twarog, one of the smallest boys, 81 Park Street. Works in spinning room. Tony Soccha, shortest boy in front, overalls. Very young, 65 Exchange Street. A bobbin boy in Room 7; has been there a year." Photograph and caption by Lewis Wickes Hine. View full size.

How to dress for Knott's Berry Farm, California, on a gray day in February 1958. One of my sister's honeymoon Kodachromes. View full size.

June 29, 1916. Chicopee Falls, Massachusetts. "Two 15-year-old boys working for Westinghouse Electric Company, going home at 5 p.m." View full size.

January 5, 1926. "Miss Mary C. Foley, artist at Department of Agriculture." National Photo Company Collection glass negative. View full size.

"Washington Baseball Club, Griffith Stadium, 1924." National Photo Company Collection glass negative, Library of Congress. View full size.

"Baltimore Fire, 1904. Buildings on Baltimore Street dynamited to stop the flames." National Photo Company Collection glass negative. View full size.