![](https://da.dl.itc.u-tokyo.ac.jp/portal/themes/custom/utokyo_archive/images/no_image.png)
Studies on Naphthenic Acids. VII. Naphthenic Acids derived from Petroleum before Acid Treatment
田中 芳雄
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
![](https://da.dl.itc.u-tokyo.ac.jp/portal/themes/custom/utokyo_archive/images/no_image.png)
Discontinuous Flow past an Aerofoil
横田 成年
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
![](https://da.dl.itc.u-tokyo.ac.jp/portal/themes/custom/utokyo_archive/images/no_image.png)
Forschungsergebnisse auf dem Gebiet der Anfangsperiode der Kohlenstaubexplosion mit besonderer Berucksichtigung der japanischen Kohle
佐野 秀之助
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
![](https://da.dl.itc.u-tokyo.ac.jp/portal/themes/custom/utokyo_archive/images/no_image.png)
On the Change of Temperature and Magnetic Induction of Steel in Tension and Compression Test
木谷 要一
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
![](https://da.dl.itc.u-tokyo.ac.jp/portal/themes/custom/utokyo_archive/images/no_image.png)
Nomographic Calculations of the Elastic Strength of Hooped or Wire Guns
谷村 豊太郎
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