A late 19th Century black slate and variegated marble mounted Mantel Clock of plinth form, to a c

A late 19th Century black slate and variegated marble mounted Mantel Clock of plinth form, to a cast brass bezel enclosing a 4 ½” Roman chapter ring with outside minute track and blued steel hands, centred with a visible Brocot escapement, to a circular brass movement with anchor escapement and strike on a bell, height 10 ¾”