云頭城古瓦
小川 琢治
云頭城古瓦 | General Library
帝国大学第二十四年報
Records of 50-year History of Imperial University of Tokyo | General Library

Notes on the Determination of the Physical Properties of Steel
今泉 嘉一郎
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