Astrolabe Catalogue

Throne, Ring and Shackle

The throne is of the indo-persian, engraved type made of brass attached with integrated base made of brass and trefoil type shackle made of brass . More information

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: altitude scale.

The limb is inscribed: with a marked as [Along edge of limb]. [ pending ]. More information

Back

The back contains 10 scales of the following types: Altitude; Declination; Sine/Cosine; Cotangent; Shadow square; Terms. The back is inscribed: with a marked as حسب الفرموده شاه مولانا فضيلت عبد الرزاق گيلانى تمام (؟) في شهر شعبان شنه ١٠٥١ (By command of the Shāh, our master, the excellent ʿAbd al-Razzāq Gilānī in Mashhad in the month of Shaʿbān in the year 1051.). More information

Rete, Pin & Horse

The rete contains 0 stars. The zodiac on the rete is labelled: الحمل , الثور , الجوزا , السرطان , الاسد , السنبله , الميزان , العقرب , القوس , الجدي , الدلو , الحوت.

The rete contains 1 scale of the following type: Ecliptic.
The rete is attached using a pin & horse. More information

Plates

There are 4 plates with latitudes ranging from 21°0' to 66°0' . More information

Rules & Alidades

Type	Details
Alidade	Double-ended. The alidade has broken at the left sighting vane.

More information