There was a long thread with several opinions April 2011; here was mine

We colonials had a bit of a spat with one of the four King Georges, but were and remain enamored of Georgian Architecture.



The watertable is a stringcourse designed to deflect rain from the foundation

http://books.google.com/books?id=J98FAAAAQAAJ&pg=PA137&lpg



Several examples here.
http://books.google.com/books?id=8roaAAAAYAAJ&pg=RA2-PT49&lpg

http://www.classicarchitecturalconceptstone.com/images/profiles/watertables.htm

The Round-Over Chamfer and Ogee are most similar to a receiver held butt down



I think Chuck H. had a bit more logical engineering explaination

Last edited by Drew Hause; 10/19/11 10:03 PM.