Brocot timepiece with original pendulum. Both numbered "721". With mark of BARRARD & VIGNON Fts D' HORLOGERIE RUE COMMINES 7 PARIS. In France Brocot invented the Brocot escapement that was named after him and which is still used in modern mechanical mantel clocks. With this, mechanical clocks reached a high level of accuracy, already in the 18th century. In very good, functioning condition. The movement is protected by thick glass at the front as well as the back. Measurements: Diameter: 13 cm Depth: adjustable, approx. 14 cm Photos complete this description. The lot will be packaged with care and shipped registered.