Guy Petherbridge

aqueous deacidification (1) bleaching (1) book conservation (2) conservation (1) conservation of Islamic illuminated manuscript leaves (1) conservation of library materials (1) conservation policy (1) decorative papers (1) enzymes (1) leaf casting (1) leather bookbinding (1) liquid ammonia (1) marbling (1) mass deacidification (1) Microfilm (1) mounting art on paper (1) mounting single vellum leaves (1) non-aqueous deacidification (1) paper conservation (1) paper permanence (1) polyethylene glycol (1) preservation (1) reducing paper discoloration (1) silver gelatine prints (1) storage of art on paper (1) vellum conservation (1) vellum leaved books (1)