Sanpō shinsho
By: sōri Hasegawa Zenzaemon Hiroshi ; hensha Chiba Yūshichi Tanehide
Contributors: Hasegawa, Hiroshi, 1782-1838
Publisher: Nishimiya Yahē; Okadaya Kashichi
Published: 1873
Place of publication: Tōkyō
Language: jpn
Subjects: Mathematics; Problems, exercises
Notes: Originally published: Sūgaku Dōjō, 1830.

On double leaves, oriental style.