Astrolabe Catalogue

 

Front of astrolabe without rete or plates. Click to enlarge
Date ca. 1600
Place India (?)
Material Brass
Inventory no. 34611
Acquisition Presented by J. A. Billmeir in 1957

Throne

The throne is of the indo-persian type . The throne is attached with a integrated base. Pierced, foliate style 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). Shackle attached to the throne by a rotating pin..

Mater

The mater and limb are of one-piece construction. . 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 gazetteer with coordinates for 35 cities:
City
(on instrument)
Translation
(when known)
Longitude Latitude Inhiraf Jihat
مكه Mecca 77°00 21°40
مدينه Medina 75°20 24°20
جده Jiddah 74°00 21°05
طايف Tayif 77°30 21°20
بغداد Baghdad 68°55 33°20
بصره Basr 83°30 30°20
قدس Qadiz 58°10 33°20
مصر Misr 55°00 30°20
سويس Sus 18°29 29°20
موصل Mosul 69°00 35°50
دمشق Dimashq 67°00 33°20
حلب Halab 69°30 33°20
صفده Safad 59°00 32°00
غزه Ghazza 58°00 32°00
كوفه Kufa 78°30 32°10
لحيه 72°00 15°26
زبيد Zabid 73°20 15°21
مخا 72°33 13°20
سنعا San’a 73°30 14°10
تعز Taizz 75°30 15°00
عدن ‘Aden 73°25 12°44
حضرموت Hadramut 73°30 16°10
شحر 77°36 16°17
ظفار Zafar 81°40 18°55
مصيره 86°30 20°55
عمان Amman 87°30 20°05
راس الحد 87°46 20°30
مسكة 84°23 24°29
سحار Sohar 83°40 25°20
بحرين Bahrain 83°00 25°15
لحسا Lahsa 77°30 18°00
واسط Wasit 71°00 32°00
اسكندريه Iskandaria 50°20 31°20
قسطنطينه Qustantiniyya 49°50 45°00
قلزم Qolzum 64°00 24°30
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