Metallurgy, Materials & Chemistry
Seamless celestial globe
1589-1590 CEKashmiri metalworkers (Ali Kashmiri)Surviving hollow metal globesTamil Nadu
1589
Hollow metal celestial globes cast without any seam, using a sophisticated lost-wax method.
- Dated
- 1589–1590
- As scholars put it
- 1589-1590 CE
- Originator
- Kashmiri metalworkers (Ali Kashmiri)
- Source text
- Surviving hollow metal globes
- Region
- Tamil Nadu
- Discipline
- Metallurgy, Materials & Chemistry
- Evidence
- Documented
- Confidence
- High
- Verification
- Reference-cited
Meanwhile in the West
Modern metallurgists had thought seamless metal globes were impossible.
Fair to say
About 21 such globes survive; the technique was rediscovered by scholars in the 1980s.
Path to modern innovation
A landmark in precision metal casting.
Transmission
Indigenous technique.
References
- 1E. Savage-Smith, Islamicate Celestial Globes
Further reading
Corrections and additional sources: edit IND-099 on GitHub.