Chelsea Ships Bell Mantle Clock. 4 in. silvered dial signed "Chelsea, Ships Bell", has black incised hour numbers and black open moon hands; brass 8 day spring driven movement signed "Chelsea Clock Co., Boston, USA, 791281", has a lever escapement and ships bell strike on a coiled gong. In a forged brass case with gilt finish, 5.5 in. flanged door bezel and mounted on a mahogany base. 7.25 in. high x 9.5 in. wide x 4.25 in. deep. Weight: 7.5 lbs.