Missionaries continued to do useful geographical work.
In 1836 American missionaries were also allowed to open stations; in 1837 he permitted the Rev. F.
The scene of the earliest labours of Protestant missionaries in India.
During the period of the Jesuit ascendancy in the reign of K'ang-hi (1661-1721), the superintendence of this institution was confided to Roman Catholic missionaries, under whose guidance the bronze instruments formerly existing were constructed.
The Portuguese, in the early part of the 17th century (1578-1640), were under the dominion of Spain, and their enterprise was to some extent damped; but their missionaries extended geographical knowledge in Africa.