A well-rounded young lady in dancing costume as photographed in the studio of Fitz Guerin in 1902, the year before his death. View full size.

Chesapeake & Ohio M-1 steam turbine 502 at Cincinnati on July 2, 1949. These coal-fired turbine locomotives were complete failures in passenger service despite their impressive size and complexity. Built in 1947 by Baldwin Locomotive for exorbitant prices, all three were retired by 1950. Color of this engine, in case you're wondering, was yellow-orange up top with gray beneath, with dark blue lettering and trim. View full size.

January 1911. "Serafino driving Chub, his mule. Shaft #7, Pennsylvania Coal Company mine at South Pittston." Bright spots are open flames of lamps on the boys' hats. Photograph by Lewis Wickes Hine. View full size.

A young leader and a driver, Shaft #6, Pennsylvania Coal Company mine at Pittston. Pasquale Salvo and Sandy Castina. January 1911. View full size. Photograph by Lewis Wickes Hine.

July 10, 1913, New York. "Fifth Avenue Omnibus." View full size. 5x7 glass negative, George Grantham Bain Collection. Click here for a closeup of the bus on the right. Radiator nameplate reads "De Dion Bouton."

Sunday strollers on New York's Fifth Avenue circa 1913. View full size. 5x7 glass negative, George Grantham Bain Collection.

In 1910, on the first airplane flight across the English Channel to carry a passenger, American aviator John Moisant flew from Paris to London accompanied by both his mechanic and his cat, named either Mademoiselle Fifi or Paree, depending on which newspaper you believe. Later that year Moisant died in a crash near New Orleans. View full size. George Grantham Bain Collection.