ENGINEERING
Yuzuru Hiraga Digital Archive | Kashiwa Library
摂河用五〇口径十二吋砲塔
Yuzuru Hiraga Digital Archive | Kashiwa Library
〔書翰〕〔42.8.13〕消印 宛名 麹町永田町 〔発〕東海勇蔵 〔宛〕平賀 譲
Yuzuru Hiraga Digital Archive | Kashiwa Library
〔書翰〕oct.14.09 〔発〕徳 〔宛〕平賀 譲
Yuzuru Hiraga Digital Archive | Kashiwa Library
"KURAMA"
Yuzuru Hiraga Digital Archive | Kashiwa Library
"KURAMA"
Yuzuru Hiraga Digital Archive | Kashiwa Library