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Keywords from Image Description:
Gedenktafel Gustav Magnus. en Inscription of the commemorative plaque Gustav Magnus de Inschrift der Gedenktafel Gustav Magnus own eigenes Werk Cczero Heinrich Gustav Magnus Magnushaus Emil DuBoisReymond Adolf von Baeyer Gustav Robert Kirchhoff Hermann von Helmholtz Plaques in BerlinMitte Am Kupfergraben BerlinMitte