Brass nautical compass signed DIRIGO Eugen M. Sherman Seattle USA 1920

Large brass and glass nautical magnetic compass, late 19th century, signed Kelvin-White Boston-New York, mounted on custom-made oak and brass board. Measures 33x25x22 cm - inches 1...

Nautical magnetic compass, made in the USA in the 1930s. Bon état. Housed in its original box with wooden slot lid and mounted on gimbal. Box measures 12x12x8.5 cm - inches 4.8x4.8x...

Solid brass yacht compass fitted to a very fine varnished binnacle box with brass hinges and glass door. Also fitted with a varnished brass sidelight wit...

Pre World War I Nautical Compass by E.S.Ritchie Nautical compass mounted by a brass gimbal into a copper brass bound case with sloping glazed aperture with heavily bevelled glass. Flat brass bezel with five holding screws signed ‘E.S.Ritchie’ and numbered 5779. Side opening compartment for a lighted wick with drawer beneath. The compass is mounted in a heavy painted brass bowl with very fine copper pivot supporting the floating direction card. A diaphragm is located in the base of the bowl for temperature compensation. c.1910 E.S.Ritchie founded the business in 1850 to manufacture mechanical, electrical and scientific instruments. In 1857 he turned his attention to navigational instruments and begun making marine bearing compasses for the U.S.Navy before the American civil war. At the time the British admiralty dry mounted nautical compasses were considered by all navies and commercial shipping companies as the highest technological standard of the day, however, in 1860 Ritchie had received a US patent for the first successful and practical liquid-filled marine compass for general use. A major step forward in the technology of the compass. With the damping provided by the liquid, together with gimbal mounting, the floating card of the Ritchie compass...