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小口油田ニ就テ
Source materials for Engineering History: The University of Tokyo Digital Archive
A Study on Air Power
Source materials for Engineering History: The University of Tokyo Digital Archive
Joggling and Flanging Works
Source materials for Engineering History: The University of Tokyo Digital Archive
Effect of Subdivision upon Floatation
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