Astrolabe Catalogue

 
astrolabe, inventory number 50122 from Persia, ca. 1650
thumbnail for astrolabe (front), inventory number 50122 from Persia, ca. 1650
thumbnail for astrolabe (back), inventory number 50122 from Persia, ca. 1650
thumbnail for astrolabe (rete front), inventory number 50122 from Persia, ca. 1650
Dateca. 1650
MakerMuḥammad Mahdī
PlacePersia
MaterialBrass
Inventory no.50122
AcquisitionPurchased from R. S. Clay in 1944

View all images for this astrolabe
View detailed provenance for this astrolabe

Throne, Ring and Shackle

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

Mater

The mater and limb are of one-piece construction. The limb is separating from the back. The tab that holds the plates stationary is located at the bottom of the instrument. Scales on the limb: degree scale.

The limb is inscribed: with a miscellaneous marked as [The iscription along the limb has become illegible]. More information

Back

The back contains 0 scales. The back is inscribed: with a maker's signature marked as صنعه محمد مهدي اليزدي الخادم (...) (Made by Muḥammad Mahdī al-Yazdī al-Khādim (= the servant) (…)). In cartouche. with a miscellaneous marked as غرض نقشيست كه تا باز ماند (The aim of the engraving is that it should remain after me.). At bottom edge. More information

Rete, Pin & Wedge

The rete contains 0 stars. The rete is a replacement. The zodiac on the rete is labelled: الحمل , الثور , الجوزا , الشرطان , الاسد , الشنبله , الميزان , العقرب , القوس , الجدي , الدلو , الحوت .
The rete is attached using a pin & wedge. More information

Rules & Alidades

Type Details
AlidadeDouble-ended. The rule is not original. The alidade is remarkably plain.
More information

 

MHS Home | Contact Us | ©2006 Museum of the History of Science