Jaseungcha Blueprint
The Jaseungcha is an automatic mechanical device similar to today's water pump. Teacher Kyunam invented it in 1810 when ..
title/author
自陞車圖解 / Ha Baek-won
shape
Volume 1: Figure, One-sided Ban Guo all around 20.4 × 15.0 cm, bounded, 20 characters in 10 lines, no fish tail; 26.1 x 17.8 cm