An early 19th Century oxidised brass sextant with lozenge frame, signed on the index arm Dolland, London, silvered scale, adjustable telescope mounting socket, six shades, the index arm -- 9¾in. (24.7cm.) radius, vernier, magnifier, tangent screw adjustment and clamp, mahogany handle (one leg and index mirror missing), in mahogany case -- 14in. (35.5cm.) wide