宿直日誌
駒形村役場
Documents from Komagata-mura | Graduate School of Economics, Faculty of Economics
Joggling and Flanging Works
井口 常雄
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
Effect of Subdivision upon Floatation
井口 常雄
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