Of course there have been, and they are available for download in PDF format at the National Center for Preservation Technology and Training website -

http://www.ncptt.nps.gov/index.php/timber-framing-no-67-march-2003-2004-09/

Last edited by Will Truax; 03/23/09 07:56 PM.
"We build too many walls and not enough bridges" - Isaac Newton

http://bridgewright.wordpress.com/