Sanpō kakujo
By: Aida Sanzaemon Yasuaki cho
Contributors: Japanese Rare Book Collection (Library of Congress)
Publisher: Suharaya Ichibē
Published: 1797
Place of publication: Tōto [Edo]
Language: jpn
Number of pages: 18
Subjects: Japanese Mathematics
Notes: Caption title.

Preface by author, dated Kansei 7 [1795]; stating this work to criticize and to clarify his position against Seki-ryū theory, especially that of Fujita Sadasuke.

Within single borders; author's opinions in larger frames (20.6 cm. high), and opponent's ideas in smaller frame (18.6 cm.).

On double leaves, oriental style (fukurotoji).

LC copy wormed, with loss of text.

Kokusho sōmokuroku, v. 3, p. 841 (Sanpō kakujo, 2-kan 1-satsu, auth. Aida Yasuaki, Kansei 7 jo, [Kansei] 9 kan).