A brass four-glass striking mantel timepiece, the white enamel Roman dial with blued moon hands, the twin going barrel movement with anchor escapement and mercury compensated pendulum, strike on bell on backplate

細節
A brass four-glass striking mantel timepiece, the white enamel Roman dial with blued moon hands, the twin going barrel movement with anchor escapement and mercury compensated pendulum, strike on bell on backplate
9in. (23cm.) high