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Keywords from Image Description:
Early flight . Assessments Early flight GayLussac et Biot mtres de Hauteur br and Biot and an altitude of metres GayLussac und Biot in einer Flughhe von Metern PDold Collecting cards of balloons Balloon aircraft in art GayLussac Gas balloons GayLussac JeanBaptiste Biot Joseph Louis GayLussac in aerostation GayLussac