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In the third century CE, politician, geographer, writer, and cartographer Pei Xiu was the first in China recorded.......

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In the third century CE, politician, geographer, writer, and cartographer Pei Xiu was the first in China recorded as describing what in full?

posted Aug 4, 2020 by Maninder Bath

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China's geometric grid reference for maps
The grids allowed for precise measurements using a graduated scale, as well as topographical elevation, and is thought to have been in use in China for well over 100 years before that. Grids, as well as parallels and meridians, were also used in 3rd century BCE Greece.

answer Aug 5, 2020 by Anuradha Tabyal
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