A GEORGE III BRASS MOUNTED MAHOGANY BRACKET CLOCK WITH TRIP-HOUR REPEATPERIGAL AND DUTERRAU, LONDON, CIRCA 1800The five pillar twin fusee bell striking movement with anchor escapement regulated by lenticular bob pendulum and signed Perigal & Duterrau, London within an elliptical reserve to the wheat ear border engraved backplate, the 7 inch circular cream painted convex Roman numeral dial with pierced brass hands, the break-arch case with hinged brass carrying handle applied to a curved brass fillet-edged pad and complex upper mouldings, over opening front fitted with circular convex-glazed ogee moulded cast brass bezel to the dial aperture and with brass fish scale sound frets to lower quadrants, the sides with conforming arched brass sound frets and the rear with arch glazed door set within the frame of the case, on cavetto moulded skirt base with brass ogee bracket feet.33cm (13ins) high with handle down, 28cm (11ins) wide, 19,5cm (7.75ins) deep.The partnership between John Perigal (from the celebrated family dynasty of clockmakers founded in the 1720's by Claude Perigal) and John Duterrau was formed prior to 1799 as they were granted a Royal warrant as a 'Watchmaker in Ordinary' to George III on the 20th February of that year. The partnership is subsequently noted as working from 57 New Bond Street, London 1802-05 and then from 62 New Bond Street 1810-40.