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Appletons' Cyclopædia of American Biography/Bartolache, José Ignacio

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BARTOLACHE, José Ignacio (bar-to-lah'-chay), Mexican mathematician, b. in Guanajuato, Mexico, 30 March, 1739; d. 9 June, 1790. Among his works are: “Lecciones de Matemáticas”; “Observaciones astronómicas del Paso de Venus por el Disco del Sol” (written by Bartolache and Alzate); and “Instrucción para la Cura de las Viruelas.”