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ETHBIBEglisau Seglingen WilerInlandflgeLBS MH.tif cm exhibition history Institution ETHBibliothek Fotografie Glasplattennegativ object history PDoldauto Creator Walter Mittelholzer EPics Bildarchiv online org Template ETHBibliothek Eglisau Seglingen Wiler Uploaded with GWToolset ETHBIBEglisau Seglingen WilerInlandflgeLBSMH epics