Richmond, Virginia, circa 1905. "Main Street from Eleventh." 8x10 glass negative, Detroit Publishing Co. View full size. An earlier (and lower) view here.

"Untitled circa 1910-1917." Who is this boho hobo -- a tramp with a literary bent who did well in track and field? We do know that he's standing outside Bryan's Lunch Room (George F. Bryan, proprietor) at 101 B Street S.E. in Washington. Something else we know: Bryan's had a duckpin bowling team in the Capitol Hill league. Harris & Ewing Collection glass negative. View full size.

Untitled circa 1916. It was love at first sight. (The girl looks strangely familiar. Have we seen her before?) Harris & Ewing Collection glass negative. Update: This photo appeared in the October 1916 issue of Popular Science with the caption "Preparing to examine an employee in the United States Treasury Department to determine the effect of work on the eyes." View full size.

1917. "Mrs. Newton D. Baker." Elizabeth Leopold Baker, wife of the Secretary of War, strikes a vixenish pose. Harris & Ewing glass negative. View full size.

"Philadelphia Post Office." Big-city hustle and bustle circa 1900. Plus: What the well-dressed horse is wearing this season. Detroit Publishing. 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.