The last imperial eunuch of the Qing Dynasty was Gao Shouqian.
After the dissolution of the Jesuits, Qintian Jianzheng was successively succeeded by Ferreira, Reberio, Pires and Serra, members of the Missionary Society. In the 17th year of Daoguang's reign, Gao Shouqian resigned and returned to the West, and the Qintian Prison no longer employed Westerners.
The National Observatory in ancient China was responsible for observing celestial phenomena and promulgating calendars. Qin Tianjianzheng is equivalent to the director of the National Observatory. Since the calendar is related to the agricultural season, and the ancients believed that changes in celestial phenomena directly corresponded to changes in personnel, the status of Qin Tianjianzheng was very important. The calendar calculation method used in the Ming Dynasty had large errors, which was not conducive to the rule of the dynasty. At this time, missionaries brought a new calendar.
In the early Ming Dynasty, Si Tianjian was established, and Si Tianjian was returned to it. It was later renamed Qin Tianjian, with officials such as chief supervisor and deputy supervisor. In the late years, Western missionaries joined the work. Following the Ming system in the Qing Dynasty, the management supervisor, Minister Wang, was the chief executive, and the supervisors, deputy supervisors and other officials were used by both Manchu and Han Dynasties, and Western missionaries also participated. At the beginning of Qianlong's reign, the deputy supervisors were assigned to Manchus, Hans, and Westerners. Later, people in Western China either returned or died, so there was no need for outsiders to join the officials.
Extended information:
The official ranks of Qin Tianjian:
1. Supervisor: Deputy Supervisor, Chief Secretary Hall: Chief Secretary, one person, From the seventh rank to the eighth rank (the matter of transferring thin writings on palms)
2. Attributive officials: Wuguanzheng (abbreviation for spring, summer, mid-autumn, autumn and winter) has one person each, and the sixth rank (palm) Calendar, determine the four o'clock)
3. Five senses Lingtailang: four people, from the seventh rank (observe changes in celestial phenomena)
4. Five senses Baozhangzheng: one person, from the eighth rank ( Record changes in celestial phenomena and predict good and bad luck)
5. Five senses holding the pot in the right position: one person, from the eighth rank (the palm is carved to mark the time)
6. Five senses supervisor: two, Zhengjiupin (supporting the uprightness of the five sense organs, pushing the calendar, and determining the four o'clock)
7. Wuguansi Calendar: two people, Zhengjiupin (assistant in the uprightness of the five sense organs, pushing the calendar, and determining the four o'clock)
8. Dr. Lu Ke: One person, from the ninth grade (prescribes time, time change, alarm, morning and dusk alarm. During the great dynasty, he reports and sings official songs.)
9. Five sense organs in the morning: Two people, from the ninth grade (doctor Zuo Lukeng). Set the time, change the time, report the changes, and alert the morning and dusk. When the great dynasty congratulates, they will report to the official.
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Baidu Encyclopedia-Qintianjian