Page 163 of Paz's book has all the detail you're looking for. But I'm
not going to tell you, neener, neener, neener!!!


Ryan "Only Too Willing to Spout My Own Opinions, But Not Too Cheap To
BUY Good Information" Young

{Say "I'm a bloomin' snide POM, SIR!" and I'll quote you the diameters
and wall thicknesses}
and have you tried the T-18 group?
http://groups.yahoo.com/group/thorplist