細節
A green onyx four-glass clock
the case with cushion pediment and moulded base, the white enamel Arabic chapter ring with recessed centre with visible Brocot escapement, with twin jar mercury pendulum, the twin going barrel movement with strike on gong stamped for ANSONIA, American, late 19th century -- 13¼in.(33.5cm.) high
See Colour Illustration (Plate 5)
the case with cushion pediment and moulded base, the white enamel Arabic chapter ring with recessed centre with visible Brocot escapement, with twin jar mercury pendulum, the twin going barrel movement with strike on gong stamped for ANSONIA, American, late 19th century -- 13¼in.(33.5cm.) high
See Colour Illustration (Plate 5)