France, black slate mantel clock, case with incised ornament and inlaid malachite panel at base with brass molding between lower and upper case, rounded corners, projecting top with molded edge, beveled glass front and back doors, Roman numeral white

France, black slate mantel clock, case with incised ornament and inlaid malachite panel at base with brass molding between lower and upper case, rounded corners, projecting top with molded edge, beveled glass front and back doors, Roman numeral white enamel dial with sunk center, Brocot open escapement, blued steel Breguet style hands, 8 days, time and strike, Pendule a Paris movement signed Marti, gilt Ellicott compensating pendulum, c1870 Case dirty, chips and flakes to left of front door, front door pull replaced, front door glass with chips at 2 corners, rear door glass with chips at 1 corner, dial with fine hairline at 6:00, hands with minor oxide, pendulum with incorrect replacement bezel and glass covering compensation levers, movement dirty, ticks and strikes, needs service, Ht 18"