Astrolabe Catalogue

 

Front of astrolabe without rete or plates. Click to enlarge
Date 1647/8 (A.H. 1057)
Maker Muḥammad Muqīm al-Yazdī
Place Persia
Material Brass
Inventory no. 45747
Acquisition Presented by Lewis Evans in 1924.

Throne

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

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 holds the plates from rotating is located at the bottom of the instrument. 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 45 cities:
City
(on instrument)
Translation
(when known)
Longitude Latitude Inhiraf Jihat
مشهد مقدس Meshhad Muqaddas 92°30 37°00 45°06
نيشابور Nishapur 92°30 36°21 46°25
سبزوار Sabzawar 91°30 36°05 44°12
بسطام Basṭam 89°30 36°10 39°13
دامغان Damghan 88°00 36°20 38°05
سمنان Semnan 88°00 36°00 36°17
استراباد Asterabad 89°35 36°50 38°48
طالقان Taliqan 85°45 36°10 29°33
رى Rayy 87°20 35°00 36°26
قم Qom 85°40 34°45 31°45
كاشان Kashan 86°00 34°00 34°31
اربيل Arbil 77°20 35°30 00°45
مراغه Maragheh 82°00 37°20 16°17
تبريز Tabriz 82°00 38°00 15°40
اردبيل Ardabil 82°30 38°00 17°13
كنجه Ganjah 83°00 41°20 15°49
بردع Barda‘ah 83°00 40°30 16°27
تفليس Tiflis 83°00 43°00 14°41
شيروان Shirwan 84°30 40°50 20°09
سرمن راى Surra Man Ra’a 79°00 34°00 07°56
كوفه Kufa 79°30 31°30 12°31
بغداد Baghdad 80°00 33°25 12°45
واسط Wasit 81°30 32°20 20°54
بصره Basr 84°00 30°00 37°59
شوشتر Shushtar 84°30 31°30 35°24
شيراز Shiraz 88°00 29°36 33°38
يزد Yazd 89°00 32°00 48°28
همدان Hamadan 83°00 35°10 22°16
ساوه Sawah 85°00 35°00 29°16
قزوين Qazvin 85°00 36°00 27°34
اصفهان Iṣfahan 86°40 32°25 40°18
كرمان Kerman 93°00 29°50 62°51
سمرقند Samarqand 99°16 39°37 54°54
بخارا Bukhara 97°30 39°50 49°38
خوارزم Kwarizm 94°30 42°07 40°47
بدخشان Badakhshan 104°24 37°10 54°09
بلخ Balkh 101°00 36°41 57°36
مرو Marw 97°00 37°40 12°30
شراخس Sarakhs 94°30 37°00 51°14
هراة Herat 94°20 34°30 54°08
زوزن Zuzan 93°30 35°20 51°23
قاين Qayen 93°20 33°40 54°01
جنابد Janabad 92°00 34°00 52°35
تون Tun 92°30 34°30 50°20
طبس كيلكيه Tabas Gilaki 92°00 33°00 52°55
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