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端艇競漕会関係封書
Kano Kokichi collection
興風会からの葉書
Kano Kokichi collection
寄宿寮委員からの封書
Kano Kokichi collection
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