CHINA: SEISMOMETER. Diagram of a Chinese seismometer developed by the 1st or 2nd century A.D. Each tremor causes a ball to drop into a frog's mouth.
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Details
Creative#:
TOP16149711
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
No
Property Release:
No
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No
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