|This is an unusual miniature brass sextant. It has 6 different coloured glass filters for adjusting the intensity of light from the sun. To move the index arm along the scale a small tightening screw under the arm needs loosening. This screw needs to be tightened after moving the arm to the desired position. The reading from the vernier is read through the magnifying glass. The sextant comes in a beautiful glass wooden box with brass fittings. The interior of the lid is etched with an outline of a sextant and other interesting details. This sextant is for a serious collector who likes old looking items. It makes an excellent antique looking gift. The arch of the scale measures 13 cm, it's 14 cm long and 4cm in height. It weighs 2 kgs when packed for shipping.