February 7, 1922. Washington, D.C. "Mrs. P.A. Drury Jr." National Photo Company Collection glass negative. View full size.

May 1864. "Spotsylvania Court House, Virginia. Dead Confederate soldier near Mrs. Alsop's house." Wet-plate glass negative by Timothy H. O'Sullivan. Photos from Grant's Wilderness Campaign, May-June 1864. View full size.

May 17, 1910. Alton, Illinois, "Noon hour. These boys are all working in the Illinois Glass Company. Smallest boy, Frank Dwyer, 1009½ E. Sixth Street, says he has been working here three months. Joe Dwyer (brother) has been working here over two years. Henry Maul, 513 Central Avenue. Frank Schenk, lives with uncle, 611 Central Avenue. Emil Ohley, 1012 E. Sixth Street. William Jarett, 825 E. Fifth Street. Fred Metz, 707 Bloomfield Street. In addition to their telling me they worked, I saw them beginning work just before 1 p.m. Photo at 12:30." Photograph and caption by Lewis Wickes Hine. View full size.

"Allen car, 1920." And your little dog, too, on G Street Northwest in Washington, D.C. National Photo Company Collection glass negative. View full size.

Washington, D.C. (vicinity), 1914. "Summer camps on the Potomac. Klassy Kamp." I think there's probably enough going on in this one picture for a 10-part Ken Burns documentary. Note the Victrola and waterborne equivalent of a Coke machine. The Arlington Bottling sign on the boat advertises "Ginger Ale, Sarsaparilla, Lemon Soda." National Photo glass negative. View full size.

Washington, D.C., circa 1920. "Wittstatt radiator shop, 13th Street N.W." National Photo Company Collection glass negative. View full size.

Washington, D.C., 1921. "Center Market, 9th Street wing." Bananas, dancing and roller skating. National Photo Co. Collection glass negative. View full size.

July 15, 1921. Washington, D.C., or vicinity. "House of street cars." National Photo Company Collection glass negative. View full size.

Indianapolis, 1968. My brother Dan on his Schwinn along with sister Beth on her trike, in the alley next to our house. Our cousin David is back by the fence. We were all dressed up for our youngest brother's Baptism. View full size.

This picture of my dad was taken on Christmas Day, 1963. I thought it fitting to post this after seeing tterrace's tricycle picture. I guess the whole dressing up like a cowboy and riding tricycles thing was popular for a while. View full size.

Rockville, Maryland, circa 1926. "Montgomery County Motor Co." What caught my eye is the "Highway Lighthouse" on the left, emblazoned with an ad for Studebakers. National Photo Company Collection glass negative. View full size.

Grandpa washing the Oldsmobile. This was taken during the mid '50s in Los Angeles. Scanned from a medium format safety negative. View full size.

December 24, 1971. My nephew Dave, age 6, on his just-unwrapped and assembled Big Wheels. He uses this for his Facebook profile pic now. A Polaroid by yours truly. View full size.

Washington, D.C., circa 1920. "Cafe St. Marks, Fifteenth Street." Special Grill Dinner, two dollars. Harris & Ewing Collection glass negative. View full size.

1864. "Fort Burnham, Virginia, formerly Confederate Fort Harrison, near James River. Encampment and earthworks." Wet plate glass negative. View full size.