Andrée's Polar Expedition, Siptzberg, 1897. Interior of the balloon [Photo Alexis Machuron; Grenna Museum– Andréexpeditionen Polarcenter]

Andrée’s Polar Expedition, Siptzberg, 1897. Inside part of the balloon [Photo Alexis Machuron; Grenna Museum– Andréexpeditionen Polarcenter]