Zobrazeno 1 - 1
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pro vyhledávání: '"Houfeng seismosgraph"'
Publikováno v:
Jixie qiangdu, Pp 1321-1326 (2022)
The authenticity of the Houfeng seismograph, invented by the great scientist of the Eastern Han Dynasty, Zhang Heng, has been questioned by the outside world, because it has not yet been restored to a recognized model after being lost. The first majo
Externí odkaz:
https://doaj.org/article/ec68761303184f02aa18c5467e4feb01
