Day 2 April 22

Today we spend all of our time visiting sites along the National Mall, and no, not the kind of mall you might be thinking about.  There is another definition of the word, "Mall."  A long, wide grassy area is also a mall, and it is along the National Mall that we Will be spending most of the day until we head to National Park for a baseball game featuring the Washington Nationals versus the Baltimore Orioles.

Dental Drills of the 1800s
  1. Wind-Up Clockwork Drill, 1864
  2. The Pedal Drill (also known as the treadle drill and dental engine)
  3. George Green's Drilling Inventions
  4. Recollections of a Pedal Drill