EUROPE, 20th century Two navigation instruments: - a "fishing" octant, with eyecup sighting. Blackened metal frame. Brass limb graduated from 0º to 115º. 3 colored sun screens. No manufacturer's name. Small diameter. Radius 185 mm. Wooden case (accidents and missing parts). - English-made sextant, circa 1920. Brass frame. Platinum limb graduated from 0º to 125º. 7 colored sun and horizon screens. No manufacturer's name. Radius 185 mm. Without scope.