Persian Astrolabe, with the date 1700-01

Persian Astrolabe, with the date 1700-01
Planispheric astrolabe in hammered and engraved brass, comprising a mother, a spider, four eardrums, as well as a nail and the horse hanging from a pompom (Alidade missing).
The mother is surmounted by a poly-lobed throne decorated with an inscription in Naskh script, part of a verse from the Qur'an (16:12) surrounded by a scroll of vegetal stem. The limb is divided into 360 degrees, divided into 5° intervals, subdivided for every 1°, with the graduation in abjad. The outer edge is engraved with a thin crown of leaves. The inside of the mother is engraved with concentric radiating lines containing the names of Iranian cities, with an inscription in the centre giving the name of the sponsor and the date 1112 AH/1700-01, probably apocryphal.
. The reverse side has the square of the shadows and the twelve signs of the zodiac engraved in the lower part.
The spider bears the names and positions of 25 stars, 9 inside the ecliptic and 16 outside, with the signs of the zodiac inscribed on the outline of the ecliptic.
Four eardrums are engraved on each side for different latitudes.
Height with bélière: 28 cm; Diameter: 16.5 cm
Iran, bearing the date 1700-01, but probably dating from the 19th century qajar

The inscription on the throne (Qur'an 16:12): wa sajjara lakum al-layl wal-nahr wal-nahr wal-shams wal-qamar (He has put at your service night, day, sun and moon).

The inscription inside the mother: farmayish-i abu sa'id / fi-sana 1112 (By order of Abu Sa'id. In the year 1112 " Automatically translated by DeepL. To see the original version, click here.