Quietude...

Is this because this doesn't seem much like timberframing?

It is, and it shares all the same layuots and methodogogies, just like the woodier truss types like Longs and Paddlefords. And has far more in common with TF'ing than say, a Town.

In the instance of a Howe its just that you're sometimes joining iron to the wood - http://twitpic.com/45ndbd

"We build too many walls and not enough bridges" - Isaac Newton

http://bridgewright.wordpress.com/