Oops.. I meant "A" a Tongue and Dado joint..
"Jim Hall" wrote in message
...
I think "A" is called a Tongue & Mortise joint and "B" a Bare-faced tongue
&
dado joint.
"Morris Dovey" wrote in message
...
Similar to mortise and tenon - except that I think of a mortise as a
(doubly) stopped dado, and this isn't stopped at either end.

Do A and B have different names, or do they share the same name?

--
Morris Dovey
DeSoto Solar
DeSoto, Iowa USA
http://www.iedu.com/DeSoto/solar.html