A rare Jesse Ramsden-type Dividing Engine, English, dated 1830, signed Made by William Rothwell Bacup Lancashire Anno 1830, the 24-inch diamete...

A Cary Presentation Brass Box Sextant, English, circa 1860, signed Cary, London, Brass body with sliding shutter sight and dark lens, wheeled ra...

A CASED SMALL BRASS SEXTANT

A boxed Sextant, box size 26cm x 28cm x 15cm.

A micrometer marine sextant in original case, Tamaya & Co Ltd, Japan. 20th century.

Naval interest scientific instruments including World War I style compass and sextant, the largest 8.5cm wide

enclosed in a hardwood case. 24 cm. diameter SCIENTIFIC INSTRUMENTS Tuesday 30th April 2024 12:57:28

A 19th century brass sextant, by Thomas Downing of High Street Poplar London, with original spare lenses and original mahogany case All parts and...

A vintage brass sextant by Kelvin and Hughs on London stamped 1917

JOSEPH SEWILL; a 19th century lacquered brass sextant, inscribed to the lower arm 'J. Sewill, 30 Cornhill, London & 61 South Castle Street, Liverp...

A 19th century brass and lacquered sextant. Contained in a mahogany stow case (lid detached), width 27.5cm.

A brass pocket sextant by Stanley London. Stamped 1911, together with three other pocket sextants. (4)

A brass pocket sextant by W & S Jones London. Diameter 7cm together with a brass compass with a floating card dial. (2)

A lacquered brass sextant. Stamped Henry Hughes Son, London, width 23cm.

Kelvin & Hughes Sextant, Bronze. Dated 1917. mouvable in leather box. 12 x 12 cm.

Kelvin and Hughes Sextant, bronze engraved with wooden grip in wooden box, 14 cm long