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Celestial Globe, by Ja'far ibn 'Umar ibn Dawlatshah al-Kirmani, Persian, 1362/3

Inventory Number 44790

Acknowledgement: © History of Science Museum, University of Oxford, inv.44790

Item type
Object
Provenance
Presented by Lewis Evans.
Primary inscriptions
Signed, '... Made by Ja'far ibn 'Umar ibn Dawlatsh{a bar above}h al-Kirmani'
Physical material
Brass
inlaid with silver.
Object type
Celestial globe
Dimensions
Height: 195mm Width: 210mm Depth: 200mm Weight: 2.5kg
Inventory No
44790
Accession Number
1924-0/part

Description

Brass globe of two hemispheres joined at the equator (soldering visible), with constellations and silver-dotted stars. Horizon ring with four supports, one of which has holes at 10 degree intervals to allow the globe to be set for latitude. The globe has pairs of holes at the equatorial and ecliptic poles, as well as an additional, unexplained pair of holes. There are latitude circles rising from the ecliptic to the ecliptic poles.

Globe 7 in Emilie Savage-Smith and Andrea P. A. Belloli, Islamicate Celestial Globes: Their History, Construction, and Use (1985):

DOI: https://doi.org/10.5479/si.00810258.46.1

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