1 янв 1842 г. - First Design of a Propeller-Driven Airplane
Описание:
Drawing directly from Cayley's work, Henson's 1842 design for an aerial steam carriage broke new ground. Although only a design, it was the first in history for a propeller-driven fixed-wing aircraft. ~WikipediaДобавлено на ленту времени:
Дата:
1 янв 1842 г.
Сейчас
~ 182 г назад
