Ralph-
 
Re Jim using slate as flooring in the small room not far from here, - isn't there some kind of sealer that can be applied to flooring slates (appropriately in this case perhaps called "Piss-off"? Another great marketing possibility...
 
V.I.
-- To terminate puerile preservation prattling among pals and the uncoffee-ed, or to change your settings, go to: http://listserv.icors.org/archives/bullamanka-pinheads.html