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A conservation technician examining an artwork under a microscope at the Indianapolis Museum of Art. The conservation and restoration of books, manuscripts, documents, and ephemera is an activity dedicated to extending the life of items of historical and personal value made primarily from paper, parchment, and leather.
Parchment can also be stored in envelopes constructed out of polyester sheets. [16] For the long-term preservation of organic material like parchment, the ideal temperature range is 10–15 °C (50–59 °F) with a relative humidity level of 30–50%. The ideal storage and display environment is oxygen-free, as oxygen prevalence has been shown ...
The heyday of parchment use was during the medieval period, but there has been a growing revival of its use among artists since the late 20th century. Although parchment never stopped being used (primarily for governmental documents and diplomas) it had ceased to be a primary choice for artists' supports by the end of the 15th century ...
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Problems can occur when parchment is exposed to high humidity for a long period of time. For example, collagen in the pages could dissolve and stick together. [11] These problems are further compounded by the fact that pigments do not dye parchment; instead, they lie on the surface of the parchment and so are rather fragile.
Apostolic blessing parchment. The apostolic blessing or papal blessing is a blessing imparted by the pope, either directly or by delegation through others.Bishops are empowered to grant it three times a year and any priest can do so for the dying.
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The oldest known scroll is the Diary of Merer, which can be dated to c. 2568 BCE in the reign of the Pharaoh Khufu or Cheops due to its contents.Scrolls were used by many early civilizations before the codex, or bound book with pages, was invented by the Romans [3] and popularized by Christianity. [4]