This great early arched spring clock has a 7-inch dial with unusual flower and scroll spandrels, matted centre with mock pendulum aperture. The upper corners have two subsidiary dials for strike/silent and regulation. The foliate engraved arch with date aperture is signed in a cartouche John Bushman, LONDON. The engraving is of outstanding quality and can be associated with Tompion’s engraver 195. The twin fusee movement with rise-and-fall regulation, pivoted verge escapement, rack striking on a bell and with pull quarter repeat on two bells is similarly signed on the backplate, which is profusely engraved with foliate scrolls. The case has a shallow domed top and an elaborate gilt-brass carrying handle above a moulded cornice, superb gilt foliate sound frets to the doors, moulded base and block feetThe maker, John Bushman (originally Johann Buschmann) was born in Hagen near Augsburg around 1661, a descendant of a famous family of clockmakers consisting of eight generations of cloc...