I was just fooling around on utube and found these sawing videos...hope you have a fast internet connection.

A Romanian up-and-down gang sawmill
http://www.youtube.com/watch?v=CUZsinaM3x8

A single blade up-and-down water powered mill in Conneticut
http://www.youtube.com/watch?v=CUZsinaM3x8

Pitsawing
http://www.youtube.com/watch?v=axqxo95yJN0

Jim

The closer you look the more you see.
"Heavy timber framing is not a lost art" Fred Hodgson, 1909