The Astronomical Observatories of Jai Singh c10.8
The Astronomical Observatories of Jai Singh c10.8
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c10.8
¹ Jai Singh gives 18 cubits as the radius and one minute as equal to a barleycorn and-a-half. See page 13. The time scales are on the upper surface of the quadrants, and the degree scales on the extreme edges. The European symbols were, probably, introduced at the restoration in 1910.