I've seen it described as the "Noble System" and I think it was patented in
England.

Without looking, I believe the description was in the section on masts in
"Practical Junk Rig" by H. G. Hasler and J. K. McLeod/

Roger

http://home.insightbb.com/~derbyrm

"quixote" wrote in message
oups.com...
Does anyone know how old birdsmouth masts are (or anything using
birdsmouth jointery, really)?

I did some looking around, and didn't find anything that listed
anything similar to historical relavance, and I am always curious about
these things and how they developed.