76/4605
[Mathematics]. Kenji Aochi.
Futsu niichi tensaku: nosho nichiyo.
Ehon, Tokyo, Shorindo, Meiji 15 (1882), 85 lvs., num. anonymous woodcut ills., orig. cordbound wr. w. hashira-title.
- Title for the larger part worn off. = Showing ills. of i.a. an abacus.
Yoshikazu Matsuoka. Zoho sangaku keiko daizen. Ehon, Osaka, Kawachiya Tasuke han, Bunkyu 1 (1861), 141 lvs., num. anonymous woodcut ills., orig. cordbound wr. w. hashira-title.
- Sl. waterstained.
€ (70-90) 80
€ (70-90) 80