Lecture 011.009

AN AEG FAN MODEL VEA 25
BY FRANZISKA BERGMANN, RUTH KELLER, DIETMAR LINKE

The focus of this article is on the conservation of an AEG-fan, model VEA 25 – one of the chosen objects within the KUR-Pro- gramm, a German federal program for the conservation and restoration of moveable cultural heritage. The fan displays typical 1950s streamlined design and possesses an intense colour. Produced by the AEG in Oldenburg in the Federal Republic of Germany, the fan presently belongs to the AEG-Collection of the Stiftung Deutsches Technikmuseum Berlin (Museum of Technology Berlin). One of the major challenges in the object’s conservation was developing treatments for the rubber blades of the fan. Extensive degradation of the natural rubber led to embrittlement and finally to a deterioration of the original material. A closer examination of the fan’s condition showed varying types of rubber degradation.
Furthermore, a conservation concept will be presented in this article, of which the shape and appearance of the fan are very important aspects. Various tests were carried out to determine treatments for the cleaning, stabilising, and replenishing of cracks and depleted areas, which were necessary to preserve the fan’s design. The treatments were developed and tested as part of the KUR-Programm.

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