Case: 8 1/4" (21 cm.) x 2" (5cm.); Ivory beam: 16.9 cm.; brass dish: 3.8 cm./d brass weight: 1.1cm. /d. Balance composed of brass dish suspended by green threads from an ivory beam, and brass weight suspended by a green thread which slips over the end of the beam. The beam is measured off in black dots. Wooden case is lacquered in black with hinged top. These weight scales possibly used to weigh opium or medicine.