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Keywords from Image Description:
Ballonkorb MW. en Balloon car equipped for meteorological work Balloon de fr meteorologische Beobachtungen ausgersteter Korb des Ballons de Richard Amann Hrsg Beitrge zur Erforschung der Atmosphre mittels des Luftballons Mayer Mller Berlin Fig Richard Amann PDold Aerostats Balloon baskets Research balloons Weather balloons