A giant gilt-brass grande sonnerie carriage clock with alarm, No.12270, Le Roy & Fils, French, circa 1900

white enamel dial signed Le Roy & Fils, 13 & 15 Palais Royal, Paris; 211 Regent Street, London, subsidiary alarm dial and gilt mask, the movement striking the hours and quarters on two gongs, signed and numbered on the backplate, club tooth lever platform escapement, the gilt and silvered three-colour case with canted corners and fluted pillars, a lever in the base to select Grande Sonnerie/Silent/Petite Sonnerie