Bob Nold wrote *** In fact I think we should move away from inches, and even millimeters, to a more universal system. Bulbs should normally be planted 2.14787157 x 10 to the minus 17 light years deep. *** My chairman frequently made us calculate drug doses administered by continuous infusion in firkins per fortnight. We decided it was more appropriate to use the wine firkin rather than the others. Leo Martin Zone ? Phoenix Arizona USA