Astrolabe Catalogue

 

Front of astrolabe without rete or plates. Click to enlarge
Date 1712/13 (A.H. 1124)
Maker ‘Abd al-A’imma
Place Iṣfahān
Material Brass
Inventory no. 40744
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. The front of the throne has an inscription, the back of the throne is blank. Markings:
Content Translation Notes Type
حسب الفرموده عاليجاه معزت الخاقان حاج الحرمين الشريفين حاجي اسمعيل بيك جبادار باشي سمت اتمام يافت ٠٠١ ١٢٤ Completed by the command of the high-ranking confidante of the Khāqān, the pilgrim of the two illustrious sanctuaries, Ḥājī Ismaʿīl Bey, Jabbādār-Bashī, 1124 (?). Owner's mark


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 in place is located at the bottom of the instrument, i.e., 180° from the throne. Scales on the limb:
Type Range & Units Numbered Geometry Location
Degree 0 - 360 Degrees Every 5 degrees Circular, concentric None

Womb


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