The 'Jyotish Yantra' (Astrolabe) at the L.D. Institute
Summary
This article describes the history and significance of an astrolabe preserved at the L.D. Institute. It explains that scientific instruments are essential for understanding the evolution of any discipline and laments that few have survived in India because of neglect and the impact of foreign domination. While early Indian texts mention mechanical devices, only isolated examples remain, and systematic collection has yet to be attempted. The author provides context by recounting the tradition of astronomical observatories in Jaipur built by Maharaja Sawai Jai Singh II, who also wrote treatises on the astrolabe. The paper then focuses on the particular astrolabe in the institute’s collection, giving its dimensions, inscriptions and materials and comparing its design with Middle Eastern and European examples. The instrument served as a teaching aid for astronomy and astrology and reflects knowledge exchange between cultures. By studying it, historians can trace the transmission of scientific ideas and appreciate indigenous contributions to astronomy. The article concludes by urging museums and scholars to preserve and study historical scientific instruments so that future generations can engage with tangible evidence of India’s rich scientific heritage.
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Conclusion
The discussion of the Jyotish Yantra underscores the richness of India’s scientific heritage. Preserving such instruments not only honours past ingenuity but provides valuable resources for researchers seeking to reconstruct the history of science. The article calls for museums and scholars to prioritise the study and conservation of technological artefacts, ensuring they remain accessible as tangible links to centuries of astronomical knowledge.