At head of title: Ingenieur Alex Büttner. German, French, and English. MENSCHENFLUG LHOMME À LA CONQUÊTE DE LAIR HUMAN FLIGHT BALLON LUFTSCHIFF FLUGZEUG UND SEGLER IN WORT UND BILD BALLON DIRIGEABLE ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Uncolored etching of diagrams for the ...
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