Quarter of a Ceiling, Livre de Plafonds (Book of Ceilings), Fran?ois de Cuvilli?s the Elder, Belgian, active Germany, 1695 - 1768, Franz Xaver Andreas Jungwierth, German, 17201790, Fran?ois de Cuvilli?s the Elder, Belgian, active Germany, 1695 - 1768