Sextant, with ebony frame and limb, brass index arm with fittings and wooden handle (no case), made by Richard Lekeux., N° 138 near Execution Dock, Wapping, London, for Jonathan Wilson, 1791. Consists of inlaid ivory 119° scale (-2° to 124°) with 20’ divisions, ivory vernier (1’) and name plate, three filter shades (red & green), fitted with threaded telescope bracket, but telescope and horizon filters are missing.