A French nickel plated atmos clock, J.L. Reutter, circa 1930
movement driven by changes in temperature, original nickel plated brass case
9-cm enamel dial with Roman numerals signed ATMOS pendule perpetuelle and below Brevets J.L. Reutter, blued steel Breguet hands, movement with a large horizontal balance slowly turning, driven by a spring wound by a mechanism turning by temperature changes numbered 1963, nickel plated brass case with glass panels to all sides, raised on a canted base.