"Philadelphia Post Office." Big-city hustle and bustle circa 1900. Plus: What the well-dressed horse is wearing this season. 8x10 inch glass negative, Detroit Photographic Co. View full size.

"Semmes Motor Co. truck, 1926." A Dodge truck outside the Grand Central Palace pool hall in Washington, Pennsylvania Avenue and Seventh Street N.W. National Photo Company Collection glass negative. View full size.

"U.S. Army camp kitchen." Somewhere in the general vicinity of Washington, D.C., circa 1918. National Photo Company glass negative. View full size.

October 1905. The New Montauk theater in Brooklyn at Livingston Street and Hanover Place. Now playing: Sam Bernard as Schmaltz in the vaudeville comedy "The Rollicking Girl." Detroit Publishing Co. glass negative. View full size.

June 22, 1918, in or near New York City. "Miss May Schloss at canteen." 5x7 glass negative, George Grantham Bain Collection. View full size.

March 18, 1919. "Caruso and Muzio." Famed Italian tenor Enrico Caruso with the soprano Claudia Muzio in New York during his 15th year with the Metropolitan Opera and two years before his death. G.G. Bain Collection. View full size.

Under the Hudson River circa 1908. "Interior of car, N.Y.-N.J. Tunnel." Today this would be the PATH train. 8x10 glass negative, G.G. Bain. View full size.

"Miss Elizabeth Funk, 1917." Continuing our survey of Washington, D.C., professional women named Funk. Not sure exactly what Liz did or where she did it, but she looks like someone who knows her way around a Bunsen burner. Harris & Ewing Collection glass negative. View full size.

"National Style Show models, Washington, 1914." These girls were born 80 years too early if you ask me. Harris & Ewing Collection glass negative. View full size.

Washington, D.C., circa 1914. "Three-horse team pulling water tower." A fire truck racing past the Tea Cup Inn on F Street. Harris & Ewing. View full size.

"Dog Show. Miss Rochester, 1915." Harris & Ewing Collection. View full size.

"Funk, Antoinette. Co-chairman N.A.W.S.A., 1914." Antoinette Funk of the National American Women Suffrage Association. Mrs. Funk, who was admitted to the Illinois bar in 1899, was U.S. Assistant Commissioner of Public Lands from 1933 to 1939. Harris & Ewing Collection glass negative. View full size.

Washington, D.C. "Football. University of Virginia game, 1910." No nosebleed seats at this game. Harris & Ewing Collection glass negative. View full size.

March 31, 1922. Washington, D.C. "Princess Andrea Boncompagni." Who before marrying her Prince in 1916 was Miss Margaret Preston Draper, "richest heiress in New England." A few months after this picture was taken, the Prince went to the Vatican to have their union annulled. National Photo Co. View full size.

New York City, May 1908. "Children's Aid Society." A tottering array of tots. 8x10 glass negative, George Grantham Bain Collection. View full size.