Zhang Heng

Person

Profession
Places lived
Date of birth
78
Place of birth
Country of nationality
Religion
Gender
 

Name source

Things named after this
 

Scientist

Known for
Approximations of
Armillary sphere
Short Bio
Chinese astronomer best known for his invention of the world's first water-powered armillary sphere to represent astronomical observation, and the world's first seismometer device
 

Deceased Person

Date of death
139
Place of death
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