Deafenitely a angle to envestogate! Expandable Cuz -----Original Message----- From: Ralph Walter [mailto:[log in to unmask]] Sent: Wednesday, December 22, 1999 10:08 PM To: [log in to unmask] Subject: Re: Has any one ever used these products for stone conservation? In a message dated 12/22/99 5:13:30 PM Eastern Standard Time, [log in to unmask] writes: << th big boys round hear rekommend a vacum pump >> Whuffo, if they alreddy big ol' boys?? O is they speakin fum persnal resperience? Ralph