Washington, D.C., circa 1925. "Semmes Motor Co. George K. Chaconas & Co. truck." A Dodge delivery van for the grocery owned by George Chaconas. National Photo Company Collection glass negative. View full size.

April 18, 1925. "Miss Louise Ireland & Miss Helen Marye." Last seen in the previous post on a tricycle with a big bow in her hair, 10 years later Helen has graduated to polo ponies and a bobbed 'do. National Photo Co. View full size.

"Helen Marye." Circa 1915 in Washington. Future socialite Helen was daughter of George Marye, ambassador to Russia. Harris & Ewing Collection. View full size.

1864 or 1865. "Deep Bottom, Virginia. Federal gunboat Mendota on the James River. Put in service May 2, 1864." From photographs of the Federal Navy and seaborne expeditions against the Atlantic Coast of the Confederacy. Wet plate glass negative, photographer unknown. View full size.

"Coney Island Mardi Gras 1908." Some interesting signs in this one. 8x10 glass negative, George Grantham Bain Collection. View full size.

"College of City of New York." Circa 1908 glass negative showing street repairs and trolley on a foggy day. George Grantham Bain Collection. View full size.

"Post Office Department, Washington," circa 1908. The Old Post Office building seen from the corner of 11th Street and Pennsylvania Avenue N.W. on a rainy day. George Grantham Bain Collection glass negative. View full size.

"Union Square from a skyscraper." Winter in New York 100 years ago. A little moldy but full of interesting details like the "Automatic Vaudeville" penny arcade and Brill Bros. store. 5x7 glass negative, George Grantham Bain. View full size.