The Astronomical Observatories of Jai Singh c13.14
The Astronomical Observatories of Jai Singh c13.14
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c13.14
¹ There is some indication that this instrument was originally made for northern observations only. See p. 39
The Astronomical Observatories of Jai Singh c13.14
¹ There is some indication that this instrument was originally made for northern observations only. See p. 39