Throne
The throne is of the indo-persian, pierced type . The throne is attached with a integrated base. The throne is topped with a trefoil tab to which the shackle is attached.Ring
The ring is of the simple, squared cross-section type (i.e. a simple ring made from a round rod or piece of metal).Shackle
Shackle of the omega type (i.e. Ω-shaped shackle). A flat, cello-shaped tab connects the shackle to the throne.Mater
The mater and limb are of one-piece construction. The tab that holds the plates from rotatins is located at the bottom of the instrument, i.e., 180° from the throne. Scales on the limb:| Type | Range & Units | Numbered | Geometry | Location |
|---|---|---|---|---|
| Degree | 0 - 360 Degrees | Every 5 degrees | Circular, concentric | None |
Womb
The gazetteer in the womb is incomplete. The table has been engraved for 48 cities. The womb contains a gazetteer with coordinates for 17 cities:
| City (on instrument) |
Translation (when known) |
Longitude | Latitude | Inhiraf | Jihat |
|---|---|---|---|---|---|
| مكه | Mecca | 77°20 | 21°40 | [blank] | |
| رى | Rayy | 86°20 | 35°00 | 33°26 | |
| موصل | Mosul | 77°20 | 34°30 | 0°40 | |
| نخجوان | Nakhijewan | 81°18 | 35°40 | 12°55 | |
| تبريز | Tabriz | 82°05 | 38°00 | 15°39 | |
| اردبيل | Ardabil | 82°30 | 38°00 | 14°22 | |
| بغداد | Baghdad | 82°00 | 33°25 | 21°13 | |
| شيراز | Shiraz | 88°00 | 29°36 | 13°26 | |
| اصفهان | Isfahan | 86°40 | 32°25 | 40°31 | |
| كشان | Kashan | 86°00 | 34°00 | 34°33 | |
| سبزوار | Sabzawar | 91°30 | 36°05 | 44°08 | |
| نيشابور | Nishapur | 92°30 | 36°21 | 46°22 | |
| طوس | Ṭus | 92°30 | 37°00 | 55°04 | |
| هراة | Herat | 94°20 | 34°30 | 54°36 | |
| قزوين | Qazvin | 89°00 | 36°55 | 27°34 | |
| استراباد | Asterabad | 89°35 | 36°05 | 18°04 | |
| همدان | Hamadan | 83°00 | 35°10 | 22°36 |