EditorialMario Pezzi (1898-1968). Italian aviator who fly higher than any other pilot in a propeller-powered airplane. 1937. Engraving in La Domenica del Corriere, Italy.
EditorialWorkers at Siemens Gamesa prepare a mold to produce one half of a single propeller blade in Aalborg, Denmark, Feb. 10, 2022. (Carsten Snejbjerg/The New York Times)
EditorialAlbert Tissandier (left), Gaston Tissandier (right), and an unidentified man in the basket of their airship demonstrating an electric navigational system featuring a propeller by P. Ferat , E.A. Tilly, sc.
EditorialAlbert Tissandier (left), Gaston Tissandier (right), and an unidentified man in the basket of their airship demonstrating an electric navigational system featuring a propeller by P. Ferat , E.A. Tilly, sc.