On Sunday 27 February 2011 11:16:42 John M. Steele wrote: > I believe the nominal is the "modular size" and the actual dimensions allow > for a 10 mm (or 3/8") mortar joint. That makes sense to me on length and > width, not so clear on thickness, but I guess it allows any orientation, > corners, etc.
I'm thinking of putting one block with its hole through the wall to allow for wires to enter. Since both dimensions are 190 mm, I can do that. Pierre -- The Black Garden on the Mountain is not on the Black Mountain.
