Yuanjing shuo 遠鏡說 / [Tang Ruowang zhu 湯如望著].
Undated manuscript copy of 1626 Chinese edition made in Japan during the period of prohibition of Jesuit/Christian works. Includes Japanese reading marks and similar (but not identical) illustrations from the original text.

“....Yuanjing shuo 遠鏡說 (Explanation of the Telescope, 1626), by Schall, which contained the first account of the Tychonic world system in Chinese.” Cf. Standaert, Handbook of Christianity in China, v.1, p. 714.

See Fr. A. Chan S.J. bibliographic entry for Japonica-Sinica II, 39.2 edition.
See full bibliographic entry: Ad Dudink & Nicolas Standaert, Chinese Christian Texts Database (CCT-Database).

A similar ms. is held at Waseda University.

With thanks to Jie Zhang (Arizona State University, 2025).

Local access dig.pdf. [Schall-Yuanjingshuo mss.pdf] & folder with master (.tif) images.