The bell top case surmounted by a gilt brass handle over four pineapple finials, glazed sides and brass lined door, raised on a shallow plinth base with chamfered block feet, the 7.5 inch silvered break arch Roman and Arabic dial with pierced scroll cut steel hands and foliate scroll spandrels, the matted centre with a date aperture and subsidiary strike/not strike and chime/not chime dials to the arch, below the six tune selection quadrant titled 'Mr Chas Sidley's Minuet', 'Lovely Nancy', 'Lass of Patty's Mill', Gavot by Handel' 'Shady Bowers' and 'Air', bordering a probably replaced applied signature plaque inscribed 'Boulton and Fothergill, Birmingham', the three train movement converted from verge to a Brocot type escapement, playing a tune every third hour on a rack of ten bells and hammers and striking the hour on an eleventh, each with pull repeat, the backplate engraved with a Chinese pavilion among foliate scrolls, with conforming decoration to the fly bracket and backcock apron. 57cm (22.5in)