Astrolabe Catalogue

 

Front of astrolabe without rete or plates. Click to enlarge
Date late 16th or early 17th century
Place Persia (?)
Material Brass
Inventory no. 47063
Acquisition Lent by the Bodleian Library, Oxford, in 1952

Throne

The throne is of the simple type . The throne is attached with a integrated base. The throne is high and initially undecorated. A later hand engraved the back of the throne with decorative designs and Archbishop Laud's coat of arms..

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). Foliate tabs attach the shackle to the throne..

Mater

The mater and limb are of one-piece construction. The tab that holds the tympans in place is located at the throne.. Scales on the limb:
Type Range & Units Numbered Geometry Location
Degree 0 - 360 Degrees of arc Every 5 degrees Circular, concentric None

Womb


The womb contains a gazeteer.. The womb contains a gazetteer with coordinates for 50 cities:
City
(on instrument)
Translation
(when known)
Longitude Latitude Inhiraf Jihat
مصر Misr 63°20 30°20
عدن ’Aden 76°00 30°00
مدينه رسول عليه السلام City of the Prophet, peace be upon him 75°20 25°00
مكه معظمه Mecca 77°10 21°40
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
نخجوان Nakhijewan 81°15 38°40
تبريز Tabriz 82°00 38°00
بردعه Barda‘ah 83°00 40°30
بلغار Bulghar 90°00 49°30
كوفه Kufa 79°30 31°30
مداين Madayin 72°00 33°20
بغداد Baghdad 80°00 33°24
بصره Basr 84°00 30°00
فيروزاباد Firuzabad 87°30 28°10
شيراز Shiraz 88°00 29°36
يزد Yazd 89°00 32°40
همدان Hamadan 83°00 35°10
ساوه Sawah 85°00 35°00
قزوين Qazvin 85°00 36°00
اصفهان Iṣfahan 86°40 32°25
كشان Kashan 86°00 34°00
قم Qom 85°40 34°45
رى Rayy 86°20 34°00
استراباد Asterabad 89°35 36°50
سبزوار Sabzawar 91°30 36°05
نيشابور Nishapur 92°30 36°21
طوس Ṭus 92°30 37°00
هراة Herat 94°20 34°30
بلخ Balkh 101°00 36°41
بدخشان Badakhshan 104°24 37°10
بخارا Bukhara 97°30 35°50
سمرقند Samarqand 99°30 39°37
خجند Khujand 105°35 41°55
كاشغر Kashghar 106°30 45°00
ختن Khotan 107°00 42°00
هرموز Hormoz 92°00 24°00
كابل Kabul 104°40 35°00
كشمير Kashmir 108°00 35°00
تبت Tibbat 110°00 40°00
قنداهر Qandahar 107°40 33°00
ملتان Multan 107°35 29°40
لاهور Lahore 109°20 31°50
حفرت دهلى Dehli 113°35 28°00
اكره Agra 115°00 24°13
احمداباد Ahmadabad 108°40 23°15
سراىديب Sarandib 130°00 10°00
كنبايت Kanbayat 109°20 22°20
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