/internal/media/dispatcher/7272/fullMMM 000066Proportional DividersKumpass ProporzjonaliNavigation and Timekeeping / Magnetic and Astronomical18th century00An 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.On each arm, recto "Parties égales" and verso "Cordes". Other inscriptions, recto "Plans 6/0"; "Poligones"; "Calibres des pieces"; and verso "Solides"; "Metaux"; "Poids des boulets"; "Haring, Palais Ral No.63 a Paris".33 cmMalta Maritime MuseumMalta Maritime Museum, Reserve Collection6731-2EEA.1961826410Caliper; CompassHeritage Malta879Brass