Scale Roberval vintage with weight

Beautiful roberval balance from the early twentieth century. Maximum weighing capacity (force): 5 kilograms. In very good condition, perfectly functional. Nevertheless, logically given its age, traces of use and wear. Size: width 45 cm; depth 18 cm; height 20 cm. Weight of the scale alone: 2.5 kg. The weights include the following masses: 1 X 2 kg; 2 X 1 kg; 2 X 500 g; 1 X 200 g.