Juan de Herrera (1530-1597). Spanish architect, mathematician and geometrician. Portrait. Illustration by Urrabieta. Lithography. Cronica General de Espa–a. Historia Ilustrada y Descriptiva de sus Provincias. Asturias and Leon, 1867.
Juan de Herrera (1530-1597). Spanish architect, mathematician and geometrician. Portrait. Illustration by Urrabieta. Lithography. Cronica General de Espa–a. Historia Ilustrada y Descriptiva de sus Provincias. Asturias and Leon, 1867.