Science, asked by suryajoseph76, 6 months ago

who found the ruler ​

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Answered by vyakhya25
0

Answer:

First ruler war a measuring rod made of copper alloy and it dated from 2650 BC. That measuring rod was found by German assyriologist Eckhard Unger. In 1500 BC there were ivory rulers used by the Indus Valley Civilization.

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