A sedan chair clock with brass bound 'milestone' case and traditional hanger and latched hinged back flap to permit rear winding with included key, and applied cast dolphin front ornament, verge escapement with engraved balance cock, arched square gilded and engraved plates signed 'C. Duncan, London, No.305', convex white glazed enamel dial 7.5 cm. diameter with Arabic numerals, brass spade hands, hinged cast bezel. Height 17 cm. excluding hanger. c.1800.