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Keywords from Image Description:
August v. Berlepsch Versuchsbeute. en Invention from the German Thuringia beekeeper August Sittich Eugen Heinrich von Berlepsch floor experiment beehive de Eine Erfindung vom deutschen Thringen Bienenzchter August Sittich Eugen Heinrich von Berlepsch dreistckige Versuchsbeute Die Biene ihre Zucht mit beweglichen Waben in Gegenden