Posted By:
Jim VBAl,
You might try to contact these guys.
http://hometown.aol.com/r1ch1ea/yankee.html
I think I have some other "seat" info somewhere. Let me look around.
By the way, the curved seats were installed in the 1940's. As I understand it, they replaced the free standing chairs that used to be in the lower boxes. The straigt back chairs were from the cheap seats going back to the 1920's.