RETTICH, IN WIEN. AN EARLY 19th CENTURY VIENNESE BIEDERMEIER QUARTER STRIKING MANTLE CLOCK with gilt- mounted and ebonised walnut case having balloon shaped top supported on six turned columns on bow fronted inlaid plinth, the 6" dial having a porcelain Arabic chapter ring and brass engine turned centre fronting a spring driven three train quarter striking movement on two gongs 69cm high