Tableau explicatif général Technical illustration shows 21 figures about aeronautics: the mechanics of insect flight (Figs. 1, 3-5), wing design (Figs. 7-9, 13-15), the effects of propellers (Figs. 2 and 6), and a man-powered device designed by Jakob Degen (Fig. 10) also shows parachutes and airships (Figs. 18-21).

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