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During its history, the Shroud of Turin has been subjected to repairs and restoration, such as after the fire which damaged it in 1532. Since 1578 the Shroud has been kept in the Royal Chapel of Turin Cathedral (from 1694 to 1993 the Shroud rested in the Royal Chapel's Bertola altar). Currently it is stored under the laminated bulletproof glass of an airtight case, filled with chemically-neutral gasses.[1] The temperature and humidity controlled-case is filled with argon (99.5%) and oxygen (0.5%) to prevent chemical changes. The Shroud itself is kept on an aluminum support sliding on runners and stored flat within the case.[1]
- ^ a b Barrie M. Schwortz. "Shroud Exhibitions". The Shroud of Turin (shroud.com). Shroud of Turin Education and Research Association, Inc. Archived from the original on 2010-04-05. Retrieved 2010-03-04.