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Pedro Ruiz Gallo

Pedro Ruiz Gallo, Peruvian military (Etén, Chiclayo Province 24 June 1831 – Callao 24 April 1880)
Published a treatise about aerial navigation named Estudios Generales sobre navegación aerea y resolución de este importante problema (1878)


A musical Box consisting string-based (1841)

Created a vaccine against small-pox (1856)

Designed a flying aircraft El Ornitoptero much similar to motorized hang-glider (1878)

In according to some sources  invented a marine torpedo,  a machine gun and one  submarine