Song, Yingxing, translated with preface by E-Tu Zen Sun and Shiou-Chuan Sun (1966). T'ien-Kung K'ai-Wu: Chinese Technology in the Seventeenth Century. University Park: Pennsylvania State University Press.
https://www.abebooks.co.uk/book-search/title/tien-kung-kai-wu/
https://www.abebooks.co.uk/book-search/title/tien-kung-kai-wu/