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Peeling back the past:Sheepskin delamination and patch repairs in parchment
The ability of sheepskin to delaminate has been exploited in the production of Late Antique manuscripts, offering the advantages of high-quality parchments and patch repairs. This study investigates delamination in sheepskin parchment using Scanning Electron Microscopy (SEM) and micro-Raman spectroscopy. By analysing a sample from experimentally produced lambskin parchment, this research identifies the delamination site within the skin structure and explores the bonding process of patch repairs. SEM imaging suggests involvement of the papillary dermis in the delamination. Micro-Raman spectroscopy indicates removal of epidermal layers and a portion of the papillary dermis during peeling. Wetting dynamics experiments with ferrogallic ink shows differences in absorption between delaminated and non-delaminated surfaces. The adhesion of patch repairs demonstrates stronger bonding in intentionally applied patches compared to accidental adhesion. This research clarifies the reasons for sheepskin parchment’s susceptibility to delamination and provides insights into traditional repair techniques and the material’s surface properties
Viking pregnancy was deeply political – new study
Pregnant women wielding swords and wearing martial helmets; foetuses set to avenge their fathers; and a harsh world where not all newborns were born free or given burial.These are some of the realities uncovered by the first interdisciplinary study to focus on pregnancy in the Viking age, authored by myself, Kate Olley, Brad Marshall and Emma Tollefsen as part of the Body-Politics project
Kunstens planteomsorg
“Den, som vil have blomstrende Planter i sin Stue, maa e l s k e dem frem”. Sådan skrev gartneren Stephan Nyeland i 1890 og opfordrede til “Kjærlighed, Omhu og Omtanke” i omgangen med stueplanter. Stueplanter blev udbredt som fænomen i 1800-tallet, og den omhu, Nyeland opfordrer til, kan aflæses i mange kunstneres gengivelser af stueplanter. Det gælder ikke mindst hos Christen Købke, Johan Th. Lundbye, Hans Smidth og Anna Ancher. Kapitlet ser på disse kunstneres gengivelser af to af tidens populære stueplanter – pelargonie og vedbend – for at undersøge den flertydige omsorg over for planter, som prægede tidens kunst og botanik. I teksten gives der plads til de planter, der ofte overses i kunsthistorien, forgennem dem at åbne for en ny forståelse af vores relation til den planteverden,der er så afgørende for vores eksistens