Paullus Schiller; Automaton clock in the form of Urania; Muse of Astronomy; German; Nuremberg; Paullus Schiller (German; 1583-1634); ca. 1620-30; German; Nuremberg; Case: partly gilded and partly silvered brass; copper with traces of silver; ebony; and ebony veneer; Movement: gilded brass and partly blued steel; Overall: 8 1/4 x 9 1/2 x 6 1/4 in. (21 x 24.1 x 15.9 cm); Horology