Seite - 22 - in The Vienna Genesis - Material analysis and conservation of a Late Antique illuminated manuscript on purple parchment

22 The history of the Vienna Genesis and former interventions since 1664 1975, January: Restoration and re-housing started (9 folios) February: Restoration and re-housing continued (17 folios) March: Restoration (regeneration and flattening) and mounting between acrylic plates com- pleted. A third facsimile edition with a commentary volume by Otto Mazal was published in 198042. In his commentary, Mazal summarizes previous studies and gives a detailed co- dicological description of the manuscript. Text and miniatures are studied and described. The chapters in the present book on parchment, silver ink and miniatures refer to Mazal’s commentary. As in 1931, Kunstanstalt Jaffé made reproductions in collotypes after con- servation. The photographs were taken with the polyacrylate plates opened. Four graphic designers hand-coloured the collotypes from which the facsimile prints were made. Dupli- 42 Mazal, 1980. Fig. 7: Folio 1, page 1, in the facsimile edition from 1980. Open-Access-Publikation im Sinne der CC-Lizenz BY 4.0