History · Science and Technology History
Who was the first person to devise a seismoscope instrument used to detect earthquakes and indicate the direction of their epicenter around 132 A.D.?
- 1P. C. Mahalanobis
- 2James Clerk Maxwell
- 3Zhang Heng (Chang Heng)✓
- 4Arthur Holmes
Correct answer
Zhang Heng (Chang Heng)
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