Original poster: Mddeming-at-aol-dot-com In a message dated 9/4/03 8:38:45 PM Eastern Daylight Time, tesla-at-pupman-dot-com writes: BTW, what's a valve?? Dan Hi Dan, To most people in Europe and many Americans over 50, a valve is a radio tube. Valve<==>Tube Lift<==>Elevator Flat<==> Apartment Lorry<==> Truck Nick<==> Arrest Bugger<==> G. W. Bush ;-)) Matt D.