Precision scale trebuchet laboratory C. Longue between 1900/1930

C. Longue in paris. Precision balance trebuchet of chemist, pharmacist or laboratory, it is contained in a box in mahogany and white marble and glass opening on the front by two leaves. Around 1900/1930. The balance is equipped with an oil brake for balance of the balance, a spirit level, an optical magnification reading system. Sensitivity 1/10 milligr - range 200 grs. Height 51 cm, width 51.5 cm, depth 26.5 cm. (excluding rear lighting) With an aluminum precision weight set. Is in beautiful condition - nice decoration - can be seen at the settings if needed.