Реставрация на гръцки пергаментен ръкопис от ХІ век – минимална намеса с цел запазване на важна кодикологична информация
Restoration of a Greek Parchment Manuscript from the Eleventh Century:Minimum Intervention in Order to Preserve Important Codicological Information

Summary/Abstract: Manuscript P 99, kept at Ivan Vazov National Library in Plovdiv, was executed at the beginning of the 11th c . in Constantinople . It is a Gospel Lectionary, containing 155 folia, written on parchment with iron gall ink . The illumination includes two headpieces, one tailpiece and initials . The codex consists of 21 quires (quaternions), sewed on stitch . Fully preserved are the entire lower and half of the upper endband. The manuscript was received at the Restoration laboratory of Ivan Dujčev Centre for Slavo-Byzantine studies in extremely poor condition . During its ten-century-long existence the codex was put to moisture, dry, biological infection and other effects leading to diluting and dropping off of inks and paints, tearing, spoiling and sticking of adjacent sheets . The preserved constructive elements and the lack of evidence for later rebinding of the codex gave us reason to restore it without unstitching it . This method is more labour-consuming, but is gentler to the original. After disinfecting and cleaning, the process started with repair of the tearing and reconstructing of the original size of parchment sheets . The restoration materials were selected in view to their qualities, reversibility and under the condition that they do not produce further tensions. The sewing of the quires was restored, preserving the original fragments . In this case the minimum intervention during the process of restoration guarantees the survival of important codicological data of the manuscript .

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