A striking balloon bracket clock

A striking balloon bracket clock, the 7 inch white enamel dial signed Johnson, Gray's Inn Passage, two-train fusee movement in plates with canted corners, Strike/Not lever on the backplate, long pendulum with hold fast, in a waisted case with mask and sunray applique beneath the dial, keyhole pattern back door (fretwork lacking), flanked by drop handles, on ogee feet with pineapple finial, circa 1770, 1ft 8½in (52cm) high.

Thomas Johnson, Gray's Inn Passage, London, died 1775.