Who is credited with inventing the gnomon, which allowed early measurement of latitude?
AHipparchus
BPtolemy
CEratosthenes
DAnaximander
Answer & Solution
Correct answer: D. Anaximander
1. Anaximander is credited with inventing the gnomon.
2. The gnomon was a simple Greek instrument for early latitude measurement.
3. Hipparchus, Ptolemy and Eratosthenes are known for other work.
_Source: Wikipedia, Geography, Origin and history_
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