By practice and experience a man can (if the wind be of the right strength) imitate the complete sailing flight of birds by availing himself of the slight upward trend of some winds, by performing circling sweeps, and by allowing the air to carry him.


The Romance of Aeronautics (1912)

Otto Lilienthal Quotes

By practice and experience a man can (if the wind be of the right strength) imitate the complete sailing flight of birds by availing himself of the...

By practice and experience a man can (if the wind be of the right strength) imitate the complete sailing flight of birds by availing himself of the...

By practice and experience a man can (if the wind be of the right strength) imitate the complete sailing flight of birds by availing himself of the...

By practice and experience a man can (if the wind be of the right strength) imitate the complete sailing flight of birds by availing himself of the...