/internal/media/dispatcher/7272/fullProportional DividersAn 18th century brass proportional divider, made of two limbs, hinged together at one end and engraved with trigonometrical scales and graduated lines of sines, tangents and other geometric functions. Such instruments were used by draughtsmen, engineers and navigators. French origin.Navigation and Timekeeping / Magnetic and Astronomicalhttps://emuseum.heritagemalta.mt/objects/879/rdf