Thank you John for clearing that up. This was my only concern with the 30's and I'm relieved to hear that my concerns were unwarrented.
BTW, I must say that I admire the way you reply to most posts. You have an excellent way of explaining things without relying on massive amounts of "techno-speak"
It's also appreciated.
When I'm ready, I'll be contacting you for help and advice.
JD