Lot 288 , A mid 19th century brass and lacquered double frame sextant, by Troughton & Sims, London, number 2367, the mahogany case containing four interchangeable sighting telescopes, two eyepieces and an adjusting key

A mid 19th century brass and lacquered double frame sextant, by Troughton & Sims, London, number 2367, the mahogany case containing four interchangeable sighting telescopes, two eyepieces and an adjusting key
£400-600