Hi there
Yes, I was talking about Timber Framing magazine,edited by Ken Rower and published by the TF Guild. There's a link under 'Publications' from the TF home page and back issues are available from:
http://store.yahoo.com/tfguild/bacisoftimfr.html If you're looking for FM 5-125 try this:
http://www.webstile.ch/knoten/rigging/toc.pdf Gord