Academic thesis
| Stefanie Inge Schindler: | “The abbesses of colognes Cäcilien-convent – An ensemble of easel paintings from the 18th century. Investigation, development of conception and implementation of selected treatments | back |
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| Abstract: | This master thesis is dedicated to an ensemble of easel paintings from the 18th century, showing four portraits of abbesses. Examinations have revealed that only three paintings show the above-mentioned abbesses while the other one illustrates one abbess of colognes monastery St. Maximin. A multitude of serious damage phenomenon, like loose canvas on the paintings boarders, holes, tears and deformations in the textile, losses and lifting of the paint layer as well as extremely aged varnishes, lead to conservational and restorative analysis of the artworks. Based on the investigation results of technology and condition a concept was developed aiming the substance-assurance and a presentable, homogenous appearance of the four paintings. One particularly unstable object was, exemplary for the whole ensemble, treated with selected measures. They include the consolidation of paint layers, surface cleaning, tear- and loss-mending in the canvas as well as the mounting of a backside protection. Successful measures to remove the aged varnishes could be worked out by comprehensive series of tests. The surface of the only unvarnished painting is extremely sensitive due to phenomenon of alkaline hydrolysis, especially protrusion. Nevertheless a treatment option to reduce the saponified crust of the paintings surface could be found. |
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