Quotes from Der Vogelflug als Grundlage der Fliegekunst — Otto Lilienthal
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Attribution
Quotes and notes from Wikiquote: Otto Lilienthal (page history), available under CC BY-SA 4.0.
← All quotes by Otto Lilienthal
Quotes and notes from Wikiquote: Otto Lilienthal (page history), available under CC BY-SA 4.0.