Published by Printed at the [Shantung] University Press, Shantung, 1928
Paperback. Condition: Very Good. folding figure, 25p. Softcover in original wrapper. 26cm. Some cover wear and fading. Translated by W. M. Hayes, then [Principal?] at North China Theological Seminary, who identifies Wang as a former student of his when he taught at Tengchow College and now regarded by Hayes as the leading Chinese authority on Mathematical Astronomy. OCLC locates one copy (Harvard).