Individual itineraries and the circulation of scientific and technical knowledge in East Asia (16th–20th centuries)

Compilation of this systematic introduction to Arabic astronomy and the Islamic calendar systemby Bei Lin 貝琳. We are told that he worked on it between Chenghua 6 (1470=02=01 ～ 1471=01=20) and Chenghua 13 (1477=01=15 ～ 1478=02=02), and that from this time

Compilation of the astronomical work Qi zheng tui bu 七政推步. We are told that he worked on it between Chenghua 6 (1470=02=01 ～ 1471=01=20) and Chenghua 13 (1477=01=15 ～ 1478=02=02), and that it was in circulation from this time onward. Also, it had somethin