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Inductance Calculation
Source materials for Engineering History: The University of Tokyo Digital Archive
日立製作所日立工場實習報告
Source materials for Engineering History: The University of Tokyo Digital Archive
開坑及ビ採鑛ニ於ケル手掘ト機械掘ノ比較
Source materials for Engineering History: The University of Tokyo Digital Archive
八莖鑛山採鑛計画
Source materials for Engineering History: The University of Tokyo Digital Archive
A Design of the Central Works for Copper Ores of the “Nankai Group"
Source materials for Engineering History: The University of Tokyo Digital Archive
[Mikrostruktur des Roheiseus]
Source materials for Engineering History: The University of Tokyo Digital Archive
Report on The Metallurgical Works of Besshi Copper Mine
Source materials for Engineering History: The University of Tokyo Digital Archive