A Design of the Central Works for Copper Ores of the “Nankai Group"
今泉 嘉一郎
Source materials for Engineering History: The University of Tokyo Digital Archive | Graduate School of Engineering / Faculty of Engineering, Graduate School of Information Science and Technology
[Mikrostruktur des Roheiseus]
今泉 嘉一郎
Source materials for Engineering History: The University of Tokyo Digital Archive | Graduate School of Engineering / Faculty of Engineering, Graduate School of Information Science and Technology
Report on The Metallurgical Works of Besshi Copper Mine
今泉 嘉一郎
Source materials for Engineering History: The University of Tokyo Digital Archive | Graduate School of Engineering / Faculty of Engineering, Graduate School of Information Science and Technology
〔自在画(大根)〕
Yuzuru Hiraga Digital Archive | Kashiwa Library
〔証書(操行学業優等二等賞ユニオン第四読本賞与)〕
Yuzuru Hiraga Digital Archive | Kashiwa Library
〔証書(組長勉励ロヒンソンクルソー賞与)〕
Yuzuru Hiraga Digital Archive | Kashiwa Library