A late 19th Century Black Slate Combination Calendar Clock, the black slate plinth-shaped case wi

A late 19th Century Black Slate Combination Calendar Clock, the black slate plinth-shaped case with serpentined front and set with a brass bezel with bevelled glass enclosing a 5 ¼” Roman chapter ring with outside minute track and visible Brocot escapement, with blued steel moon hands, to a circular brass movement with anchor escapement and strike on a bell, over a further bezel also set with bevelled glass enclosing 5” enamel dial set with months to the outer rim and enclosing moon phases and subsidiaries for day and date, height 16 ¼” (SEE PHOTOGRAPH)