Jean-Simon Bourdier, died 1839, Clock in which the timepiece forms the weight of the pendulum, on an oval white marble base, pendulum clock timepiece measuring instrument marble stone bronze brass steel enamel, Oval white marble base with double beaded waist with pearl edges and gilded bronze ajour-band with bows and vines on which lier-shaped gilded bronze building with multiple pearl edges crowned by radiant sun including garland with hanging sides. The skeletonised movement is suspended in the center. This has exclusively going to work with pin walk according to Amant where the wheels are mounted between segment-shaped skeletons. The whole clockwork and dial serves as pendulum. The drive is done by means of float that has an adjustable connection with the conversion of the clock. The band-shaped enamel dial has gilt bronze pearl border on both sides. The white background is painted in black with Roman numerals for the hours and Arabic numerals for the minutes. The figures for the da