Astrolabe Catalogue

 

Front of astrolabe without rete or plates. Click to enlarge
Date ca. 1650
Place India
Material Brass
Inventory no. 54063
Acquisition Presented by J. A. Billmeir in 1957

Throne

The throne is of the indo-persian, pierced type . The throne is attached with a integrated base. Culminates in a trefoil-shaped tab, to which the shackle attaches..

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 trefoil type. Slight trefoil design to the shackle, which is attached to the throne via a pivoting pin..

Mater

The mater and limb are of one-piece construction. . Scales on the limb:
Type Range & Units Numbered Geometry Location
Degree 0 - 90 Degrees of arc Every 6 degrees Circular, concentric None

Womb


The tab that holds the tympans in place is located 36° from the throne, rather than the more typical 180°.. The womb contains a gazetteer with coordinates for 68 cities:
City
(on instrument)
Translation
(when known)
Longitude Latitude Inhiraf Jihat
قيراون Qayrawan 41°00 31°40
مصر Misr 63°20 30°20
عدن 'Aden 76°00 11°00
مدينه طيه Medina D. 75°20 25°00
طايف Tayif 77°30 21°20
بيت المقدس Bait al-Maqdis 66°30 31°50
دمشق Dimashq 70°00 33°15
حلب Halab 72°10 35°50
مراغه Maragheh 82°00 37°20
تبريز Tabriz 82°00 38°00
كوفه Kufa 79°30 31°30
بغداد Baghdad 80°00 33°25
بصره Basr 84°00 30°11
فيروزاباد Firuzabad 87°30 28°10
شيراز Shiraz 88°00 29°36
يزد Yazd 89°00 32°00
قزوين Qazvin 85°00 36°00
اصفهان Isfahan 86°40 32°25
كشان Kashan 86°00 34°00
سبزوار Sabzawar 91°30 36°00
مشهد Meshhad 92°30 37°00
هراة Herat 94°20 34°30
بلخ Balkh 41°00 36°11
بدخشان Badakhshan 104°24 37°20
بخارا Bukhara 97°30 39°50
سمرقند Samarqand 99°16 39°37
جخند 107°36 41°55
كاشغر Kashgar 106°30 45°00
ختن Khotan 107°00 42°00
هرموز Hormoz 92°00 25°00
كرمان Kerman 92°30 30°05
غزنه Ghazni 104°20 33°35
كابل Kabul 104°40 34°30
ديبل Daibul 102°30 25°10
قنداهر Qandahar 107°40 33°00
تبت Tibbat 110°00 40°00
كشمير Kashmir 88°00 35°00
ملتان Multan 107°35 29°40
لهاور Lahore 109°20 31°15
دهلى Dehli 113°35 28°39
اكره Akbarabd ? 115°00 26°43
قنوج Qanuj 115°50` 26°35
بنارس Banaras 107°20 26°55
كوالير 115°00 26°29
بروج Broach 111°05 21°20
لهكنوى Lucknow 114°13 26°30
كوبامو Gopamau 116°33 26°45
كره مانكبور Garh-Manikpur 118°10 29°49
اجمير Ajmireh 111°05 26°00
اوده Awadh 118°06 27°22
برن 114°00 28°48
مول جلالى Kul wa Jalali 114°19 28°04
بداوم Budaun 114°59 27°32
كابى Kalpi 116°45 26°55
جونبور Juniper 119°06 26°36
جده Jiddah 76°00 21°00
اجين Ujain 110°50 23°30
نروز Niruz 114°00 25°20
مندو Mandu 111°25 22°15
برهانبور Burhanpur 109°00 20°30
دولتاباد Daulatabad 111°00 20°30
جيول Giul 106°40 19°00
احمدباد Ahmadabad 103°40 23°15
كولكنده Golkonda 114°20 28°04
بيجابور Bijapur 105°30 16°20
104°00 10°00
جمكوت Jamkut 177°00 05°00
بيكند 97°30 19°45
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