Xu Guangqi
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Xu Guangqi or Hsü Kuang-ch'i, also known by his baptismal name Paul or Paul Siu, was a Chinese agronomist, astronomer, mathematician, politician, and writer during the late Ming dynasty. Xu was appoin
Portrait of Xu Guangqi
Xu Guangqi with Matteo Ricci (left) From Athanasius Kircher's China Illustrata, 1667
Tomb of Xu Guangqi in Guangqi Park, Xujiahui District, Shanghai, China
Xu Guangqi's work on military matters Mr Xu's Amateur Observations
Sabatino de Ursis
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Sabatino de Ursis was an Italian Jesuit who was active in 17th-century China, during the Jesuit China missions.
The 1612 book in Chinese on Western hydraulics, by Sabatino de Ursis. It describes a traditional European force pump.
