Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Astronomical data tables for months of the year 1237 AH (1821-22 CE). Source: Wellcome Collection.
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Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Astronomical data tables for months of the year 1237 AH (1821-22 CE). Source: Wellcome Collection.
