PORTFOLIO: Letter from Washington to Jefferson, 1791

After treatment image:  Conservation treatment incluced surface cleaning, backing removal, washing, deacidification, and resizing.  No further treatment was undertaken to reduce the discoloration because iron gall inks are easily damaged by higher pH cleaning solutions and conservation-grade bleaches.
Letter from Washington to Jefferson, 1791

After treatment image: Conservation treatment incluced surface cleaning, backing removal, washing, deacidification, and resizing. No further treatment was undertaken to reduce the discoloration because iron gall inks are easily damaged by higher pH cleaning solutions and conservation-grade bleaches.