You could contact the Conservation Center for Art and Historic Artifacts in Phila at 215-545-0613. They regularly have seminars on conservation care of blueprints and other works on paper. Judy Hayman Michener Art Museum [log in to unmask] ---------- > Museum Listers- > > Does anyone know of any on-line material regarding the care and storage > of blue prints (and vellums)? A standard book on map or blue print care? > > RSVP/TIA > John Phillips > mailto:[log in to unmask] >