Details
A double-framed 'Troughton' pattern vernier sextant
the 'A' frame made of oxcidised brass, the brass arc stamped No. 9880, inset silvered scale divided 5°- 0°- 150° with seven shades, two mirrors, telescope, wooden handle with hole for scecuring by wing-nut in box, in fitted box with accessories and test certificates dated 1923 and 1962 -- 12in. (30cm.) square approx
See illustration
the 'A' frame made of oxcidised brass, the brass arc stamped No. 9880, inset silvered scale divided 5°- 0°- 150° with seven shades, two mirrors, telescope, wooden handle with hole for scecuring by wing-nut in box, in fitted box with accessories and test certificates dated 1923 and 1962 -- 12in. (30cm.) square approx
See illustration