The Astronomical Observatories of Jai Singh c16.4

Language: English

c16.4

¹ See L. A. Sédillot's *Memoire sur les instruments astronomiques des Arabes*, p. 151f.; also a description by al-Barjendi; also Blagrave's *Art of Dyalling*, 1600. One section of Blagrave's book is "How to make a dyall on a concave hemispheare of a globe two severall wales," and the second way is that of the Jai Prakāś.

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