World's Earliest Compass 🧭 in #lothal excavations, Gujarat
Ivory scale (6x15x128mm) from #Lothal has the smallest-known decimal divisions in #IVC, showcasing the advanced metrology of ancient civilizations. This artifact, remarkable in its precision, features 27 graduations meticulously etched over a span of 46 mm. Each graduation line is spaced at 1.70 mm intervals, a testament to the sophisticated mathematical understanding of the Indus Valley Civilization.
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