Lilienthal began experiments in earnest on the force of air, but interrupted the work to serve in the Franco-Prussian War
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Lilienthal began experiments in earnest on the force of air, but interrupted the work to serve in the Franco-Prussian War
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-17 from Wikipedia. The archived copy is preserved so this citation survives link rot.