Decorative planispheric astrolabe, Iran qâjâr, dated 1301 H /1883 Made of chased brass, consisting of the mother with a curved throne finished with a suspension bracket and engraved with a hatayi composition of flowers and bifid palmettes, the mother inscribed inside with the names of cities, longitudes and latitudes and the date of 1301 H / 1883 in the center; the four tympanums engraved with the names of positions and lines, the openwork spider engraved with the names of the signs of the zodiac, the nail and the graduated alidade. Diameter: 14.2 cm; height with throne: 19.6 cm A Decorative Qajar Brass Astrolabe, Iran, dated 1301 AH/ 1883