Old Weight Box for Roberval balance with weight of 500 to 20 g missing 6 WEIGHTS - with wear and tear, dust, traces of use, holes in chips and the 500 g and 50 g force to remove them from their locations (see photos) - Attic juice, in used condition, needs cleaning - - 15.7 x 7.1 cm Max height 7.1 cm (with weight) - Weight 1.170 kg