Assertion: seamless celestial sphere | /r/HasProperty | found by savage-smith
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text: One of the earliest examples of a seamless celestial sphere found by Savage-Smith, was found to be from a workshop in Lahore, Pakistan, though she soon found that the technique, described as ‘secret wax casting’ was widely known by metal craftsmen in Northern India from at least as early as the late 16th century and coming from the Mughal Empire.