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Giovan Battista Magnaghi
1839 - 1902
Giovan Battista Magnaghi (1839 - 1902 ) was an Italian naval officer, oceanographer and invented marine scientific instruments.
"MAGNAGHI, Giovan Battista - Biographical Dictionary of Italian - Volume 67 (2006)," L'Enciclopedia Italiana, Treccani.it (Italian), http://www.treccani.it/enciclopedia/giovan-battista-magnaghi_(Dizionario-Biografico)/ (02/25/2015)