Book claspFastener for a book cover / From Wikipedia, the free encyclopedia A book clasp is a leather or metal element attached to the medieval and early modern book covers, used to protect the book from the penetration of dust and light. Metal closure: volume with alchemical treatises (tied in Strasbourg around 1568, collection of the Science History Institute, Philadelphia)Leather closure: Sachsenspiegel (hand written in 1385, Duisburg city library)
A book clasp is a leather or metal element attached to the medieval and early modern book covers, used to protect the book from the penetration of dust and light. Metal closure: volume with alchemical treatises (tied in Strasbourg around 1568, collection of the Science History Institute, Philadelphia)Leather closure: Sachsenspiegel (hand written in 1385, Duisburg city library)