A mahogany cased sextant by Crichton of London with interesting. Provenance' Thomas Sopwith the mahogany case with brass plaque inscribed: T.O.M. SOPWITH' the brass sextant inscribed 'Crichton London, made for D. McGregor Greenock & Glasgow' with various accessories case. Height 12.5 cm. Width 34 cm. Depth 28 cm. Note: Sir Thomas Octave Murdoch Sopwith,CBE, HonFRAeS(18 January 1888' 27 January 1989) was an English aviation pioneer and yachtsman and Inducted into the Americas cup hall of Fame 1995 https://en.wikipedia.org/wiki/Thomas_Sopwith