Astrolabe Catalogue

 

Front of astrolabe without rete or plates. Click to enlarge
Date ca. 1700
Maker Khalīl Muḥammad ibn Ḥasan ‘Alī
Place Iṣfahān
Material Brass
Inventory no. 50987
Acquisition Presented by J. A. Billmeir in 1957

Throne

The throne is of the indo-persian, engraved type . The throne is attached with a integrated base.

Ring

The ring is of the simple, round cross-section type (i.e. simple plain ring made from a round rod or piece of metal).

Shackle

Shackle of the omega type (i.e. Ω-shaped shackle). .

Mater

The mater and limb are of one-piece construction. The tab that prevents the plates from rotating is integrated into the bottom of the limb. Scales on the limb:
Type Range & Units Numbered Geometry Location
Degree 0 - 360 Degrees Every 5 degrees Circular, concentric outer

Womb


The womb contains a gazetteer with coordinates for 46 cities:
City
(on instrument)
Translation
(when known)
Longitude Latitude Inhiraf Jihat
اصفهان Isfahan 86°40 32°25 40°19
همدان Hamadan 83°00 35°10 22°16
قزوين Qazvin 85°00 36°00 27°34
كشان Kashan 86°00 34°00 27°34
قم Qom 85°40 34°45 31°15
ساوه Sawah 85°00 35°00 29°18
استراباد Asterabad 89°35 36°50 18°40
بخارا Bukhara 97°30 39°50 49°37
سمرقند Samarqand 99°30 39°37 12°13
نيشابور Nishapur 92°30 36°21 46°26
تون Tun 92°30 34°30 50°24
قاين Qayen 93°20 33°40 14°37
طبس كيلك Tabas Kylek 92°00 33°00 53°02
هراة Herat 94°20 24°35 54°14
تبريز Tabriz 82°00 38°00 15°40
اردبيل Ardabil 82°30 38°00 17°33
شوشتر Shushtar 84°30 31°30 35°25
قنداهر Qandahar 107°40 33°00 74°19
سبزوار Sabzawar 91°30 36°05 44°46
سمنان Semnan 88°00 36°00 36°17
شيراز Shiraz 88°00 29°00 33°20
يزد Yazd 89°00 32°00 48°27
طوس Ṭus 92°30 37°00 45°09
نجف Najaf 79°30 31°30 21°29
بغداد Baghdad 80°00 33°25 12°15
سارى Sari 88°00 37°00 32°14
امل Amol 88°20 36°05 34°37
بحرين Bahrain 83°00 25°15 57°23
بصره Basr 84°00 30°00 36°05
بسطام Bastam 89°30 36°10 36°50
شماخى Shamakhi 84°30 40°50 20°09
مكه Mecca 77°10 21°40 00
مدينه Medina 75°20 25°00 37°10
دمشق Dimashq 70°00 33°15 30°31
طايف Tayif 77°30 21°20 [empty]
موصل Mosul 77°00 34°30 07°12
مراغه Maragheh 82°00 37°20 16°17
مصر Misr 61°30 25°30 18°38
قسطنطين Qostantin 59°50 45°00 33°57
سلماس Salamas 79°15 37°40 02°50
خوى Khuwai 79°40 37°40 02°00
صنعا Sana’a 77°40 14°30 01°15
ةداين Madayin 72°00 33°20 [empty]
كشمير Kashmir 88°00 35°00 71°09
ملتان Multan 107°35 29°40 78°59
تفليس Tiflis 83°00 43°00 14°41
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