In einer eMail vom 16.04.01 16:59:39 (MEZ) - Mitteleurop. Sommerzeit schreibt [email protected]: << 2) PREE (as in tree) FURN (as in fern, burn) IUM - my guess; can't find this one. The heat source, maybe? +++++++++++++++++++++++++++++ <the Public Library at Dansville, NY, >about an hour south of Rochester, NC, +++++++++++++++++++++++++++++ I'm guessing you mean New York? >> both times yes, ofcourse, New York. Sorry. Praefurnium is a tunnel from a chamber where the fire burns to the hypocaustum where the heat goes so the floor is warm and so are the walls - an under-floor-heating system. And we have it in our garden, 2 feet deep :-) thanks a lot. Roland