Quintant (sextant), anodized brass 4" frame, polished brass limb, and wooden handle, in mahogany keystone box, used on the Antarctic Expedition of 1901, signed and made by William Cary of London, c. 1900

Four inch sextant in a fitted wooden case, by Cary of London, 1901, used to take bearings on the British Antarctic Expedition, 1901 - 1904

Quintant (sextant), aluminium 3" straight-bar-pattern frame and limb, and wooden handle, in fitted mahogany box, used on the Antarctic Expedition of 1901, signed and made by William Cary of London, c. 1900

Quintant, in brass triangle frame and limb, wooden handle, with cast lattice frame, silvered scale and fitted case, signed and made by Duncan McGregor of Glasgow and Greenock, c. 1850

Quintant, brass triangle fram and limb, wooden handle, silver scale, no box, made for Duncan McGregor of Glasgow and Greenock, signed and made by Spencer, Browning and Co. of London, c. 1850

Quintant, brass three-circle frame and limb, wooden handle, silver scale, signed and made by Kelvin and James White Ltd of Glasgow, c. 1910

Sextant signed 'John Bruce Liverpool', c. 1880, with label in its box stating that it was used by Jock Fitchie, mate when the Scotia went to South Polar regions on the Scottish National Antarctic Expedition, 1902 - 1904.

Quintant, brass frame and limb, wooden handle, silver scale, in mahogany box, signed and made by Troughton and Simms of London, 1908

Quintant, brass diamond-pattern frame and limb, wooden handle, silver scale, in mahogany box, by John Dennett Potter of London, c. 1860

Quintant (sextant) of brass, with vernier adjustment, in non-original fitted oak box, used by the Imperial Germany Navy during World War I, signed and made by C. Plath of Hamburg, c. 1916