Washington, D.C., circa 1928. "Fire Dept. truck decorating." National Photo Company Collection glass negative. View full size.

Washington, D.C., 1929. "Miss Styron." Sade Coghill Styron (1889-1982), "well-known authority on old music." 4x5 glass negative. View full size.

Washington, D.C. "Dunn, G.U. '28." Georgetown University forward John Dunn. National Photo Company Collection glass negative. View full size.

Washington, D.C. "War Risk Insurance basketball team, 1921." National Photo Company Collection glass negative. View full size.

Washington, D.C., circa 1921. "Auto School." Where they're having a pop quiz on axles. National Photo Company Collection glass negative. View full size.

Washington, D.C., circa 1920. "Old Dutch Market, interior, Ninth & G Streets N.W." Multiple familiar faces here, all belonging to Aunt Jemima. National Photo Company Collection glass negative. View full size.

Washington, D.C., circa 1920. "Mid-Washington Service Co., 14th Street N.W." National Photo Company Collection glass negative. View full size.

June 1915. Washington, D.C. "Fifteenth Street north from G Street N.W." Starring the Keith's Theater building, whose corner bar is now the address of the Old Ebbitt Grill. 8x10 inch glass negative, National Photo Co. View full size.

Washington, D.C, circa 1915. "G Street N.W. east from Fifteenth at Treasury Dept." At right, the Keith-Albee theater building, current location of the Old Ebbitt Grill. National Photo Company Collection glass negative. View full size.

March 1917. Washington, D.C. "Cosmos Theater, Pennsylvania Avenue. Inauguration Week bill." The home of "Refined Vaudeville," with Woodrow Wilson over the marquee. 8x10 inch glass negative, National Photo Co. View full size.

May 3, 1926. "Apple blossoms at Winchester, Virginia." Nature's palette bursting forth in a riotous rainbow of grays. 5x7 inch glass negative. View full size.

Washington, D.C., circa 1921. "1301 K Street N.W." With a sign in the window offering TABLE BOARD; just down Thirteenth we can see the Franklin Tire Works and its promise of FREE AIR. 8x6 inch glass negative. View full size.

Circa 1928. "Takoma Park, Maryland. Washington Sanitarium laboratory." National Photo Company Collection glass negative. View full size.

Washington, D.C., circa 1926. "National Capital Storage & Moving Co." At 52 N Street N.E., the Witt-Will motor truck garage last seen here. This older-generation van wears solid rubber tires, acetylene-gas headlamps and at least one repaint. 8x10 inch glass negative, National Photo Company. View full size.

Washington, D.C., circa 1926. "Home of Mary Roberts Rinehart," prolific writer of mysteries. A room last glimpsed here. 8x10 inch glass negative. View full size.