A French brass four-glass electric mantel timepiece, L.R, circa 1910

9-cm annular silvered dial with Arabic numerals singed L.R., Bte S.G.D.G. ,S.M.A. Paris, blued hands and sweep seconds, a shaped balance with helical spring passing through an electrical magnet closing an electrical circuit and receiving an impulse at every oscillation driving the wheeltrain every half second, brass four glass case on bracket feet