Resumen de Turned geometry: two masterpieces by Georg Friedel
The article discusses two masterpieces by Georg Friedel who is associated with some of the most outstanding seventeenth-century turned ivory objects that are known to have been in the Electoral Saxon Kunstkammer from 1619 onwards. Topics discussed include these masterpieces, a contrefait sphere containing two movable eight-layer balls and a heart-shaped goblet crowned by a multi-layer ball with a total of fourteen concentric spheres encased one inside another.
