| Zusammenfassung: | Labeling, Recovering and Reactivating: The Role of Labels on Microscope Slides in the Finding System on the Basis of Alzheimer's Auguste D. Preparations. This study discusses the role of labels in the process of the reactivation (Rheinberger) of preparations. Labels on slides together with corresponding lists on cards or sheets build what is here called a specific finding system. In the sciences of the archive (Daston) the disciplinary memory together with such a finding system are the basis to the ability of the sciences today to reactivate preparations from the beginning of the last century as it occurs with the Auguste D. preparations. The case of Alzheimer's micropreparations of brain parts of Auguste D. - the case that he used to show that hers was a specific brain disease unknown before - serves to describe Alzheimer's writing on the labels. It is compared to slides and labels prepared by other medical researchers between the 1890s and 1920s and the respective finding systems. Being an epistemologicum, micropreparations, as they are data, in their hybrid status of both image and material in one, cross the boundaries between icon and index. This is proven by the reactivation of Auguste D. micropreparations in molecular biological studies over 100 years after their production.
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