A rare French electric four-glass mantel timepiece, Brillié, circa 1920

15-cm enamel dial with Roman numerals signed Brillié Electrique, spade hands and sweep seconds, movement with skeletonized brass plates and ball pendulum with compensated rod and nickle iron contact ring passing through a solenoid mounted at the base of the case, the pendulum advancing the wheeltrain every second oscillation, moulded brass case with bevelled glass panels at all sides and raised on adjustable feet