We must visit other forums/sites that are the same I recognize your face. Thanks for the welcome.
Oxford, next time you are in my neck of the woods shoot me an email. I knew you would figure it out. Simple can be very complex.
Glass brick? One of few words. I think you mean "Deco Block glass" popular in dinners very 50s? I had a friend who was building a shower out of these and when it was finished I was going to shoot through it. But alas a divorce got in the way and the shower was lost. enjoy pjc