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Sextant of Manuel Nuez Villavicencio Olaguer Feliu. es Variante del sextante de reflexin desarrollado por Manuel Nuez de Villavicencio Olaguer Feli Conde de Caete del Pinar en Reflection sextant variant developed by Manuel Nuez de Villavicencio Olaguer Feli Count of Caete del Pinar Biblioteca Nacional de Espaa author PDold Sextants