Verbiest undertook many projects, including the casting of 132 cannons for the imperial army--far superior to any previous Chinese weapons--and creating star charts for the Kangxi Emperor in order to tell the time at night.
Verbiest undertook many projects, including the construction of an aqueduct, the casting of 132 cannons for the imperial army--far superior to any previous Chinese weapons--and the design of a new gun carriage. He created star charts for the Kangxi Emperor in order to tell the time at night.