瀬張営業願
北甘楽郡南蛇井村願人金井伝平他2名
Documents Regarding the Fishing Industry [Resources and Historical Collections Office] | Graduate School of Economics, Faculty of Economics
An essay on Stationary steam engine with many sketches
田中 林太郎
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