Treatment on the Great Parchment Book

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Part 3

Tension drying

Magnet drying is proving to be the most effective method for holding out the creases whilst drying. Metal sheets are wrapped in thin blotter and covered with thin non-woven polyester (which reduces the risk of the parchment sticking). Magnets wrapped in felt or Tyvek® are used to hold open creases whilst the parchment dries. It was found fairly early on that the amount of shrinking present on some of the sheets was preventing the creases from being pulled out horizontally. This was remedied by inserting polyester wadding underneath the creased area and so pushing it out in a vertical direction, as well as pulling horizontally with the magnets.

Magnet set up

The edges of the parchment are held down with magnets

The edges of the parchment are held down with magnets

Tears can also be secured with magnets

Tears can also be secured with magnets

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