Astrolabe report (inventory number 53637)

astrolabe, inventory number 53637 from Lahore, 1658/9

Date	1658/9
Maker	Ḍiyā’ ad-Dīn Muḥammad
Place	Lahore
Material	Brass
Inventory no.	53637
Acquisition	Presented by Lewis Evans in 1924

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Throne, Ring and Shackle

The throne is of the indo-persian, pierced type made of brass attached with integrated base made of brass and has a simple, squared cross-section ring made of brass and trefoil type shackle made of brass . More information

Mater

The mater and limb are of one-piece construction. The tab is located at the bottom of the instrument, 180° from the throne.. Scales on the limb: degree scale. More information

Back

The back contains 15 scales of the following types: Altitude; Declination; Prayer lines; Sine/Cosine; Cotangent; Zodiacal signs; Lunar Mansions; Terms; Faces; Shadow square; Triplicities. More information

Rete, Pin & Wedge

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 is attached using a pin & wedge. The pin is undecorated; the wedge is marginally more decorative, with its shaped tab.. More information

Plates

There are 5 plates with latitudes ranging from 18°0' to 66°0' . More information

Rules & Alidades

Type	Details
Alidade	Double-ended. The rule is not original. Slight decoration around the central hole..

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