Who invented the seismograph and when?
Answers
Answered by
1
Answer:
Chang Heng
132 A.D.
Explanation:
The first seismograph was invented in 132 A.D. by the Chinese astronomer and mathematician Chang Heng. He called it an "earthquake weathercock." Each of the eight dragons had a bronze ball in its mouth.
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Answered by
1
Answer:
Seismograph was invented by a Chinese, Chang
Heng in 132 AD
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