Jules Verne '5 Semaines en Ballon' Frontispiece, Édouard Riou 1863

Remarkably prescient about aerial exploration if not propulsion, this engraving imagined controlled long-distance balloon travel across Africa decades before powered flight — though hydrogen balloons proved far more dangerous and ungovernable than Verne's romantic vision. The Victoria balloon, emblazoned with the novel's title, navigates jagged volcanic cliffs amid lightning strikes and scattering birds, its tiny gondola carrying intrepid explorers through a turbulent, Romantic-sublime African sky rendered in masterful cross-hatched engraving.