〔計算メモ〕
Yuzuru Hiraga Digital Archive | Kashiwa Library
〔計算メモ〕
Yuzuru Hiraga Digital Archive | Kashiwa Library
〔計算メモ〕
Yuzuru Hiraga Digital Archive | Kashiwa Library
〔グラフ〕
Yuzuru Hiraga Digital Archive | Kashiwa Library
大正十年度鋼材分配表一覧
Yuzuru Hiraga Digital Archive | Kashiwa Library
講演認許出願ノ件
Yuzuru Hiraga Digital Archive | Kashiwa Library
軍艦ト鋼材
Yuzuru Hiraga Digital Archive | Kashiwa Library
〔要目表・日記・計算メモ他〕
Yuzuru Hiraga Digital Archive | Kashiwa Library
〔説明書?〕
Yuzuru Hiraga Digital Archive | Kashiwa Library
戦艦ニ於ケル水雷防御ニ付テ
Yuzuru Hiraga Digital Archive | Kashiwa Library
水中防御
Yuzuru Hiraga Digital Archive | Kashiwa Library
〔説明用草稿?〕
Yuzuru Hiraga Digital Archive | Kashiwa Library
戦艦防禦法一般標準
Yuzuru Hiraga Digital Archive | Kashiwa Library
金田大兄宛
Yuzuru Hiraga Digital Archive | Kashiwa Library
水雷防禦装置実験工事費実費額調
Yuzuru Hiraga Digital Archive | Kashiwa Library
磯崎少佐殿 平賀中監
Yuzuru Hiraga Digital Archive | Kashiwa Library
戦艦ニ於ケル水雷防禦ニ付テ 造船中監 平賀譲
Yuzuru Hiraga Digital Archive | Kashiwa Library
〔図面〕
Yuzuru Hiraga Digital Archive | Kashiwa Library
四号戦艦諸要部切断
Yuzuru Hiraga Digital Archive | Kashiwa Library
四号戦艦諸要部切断
Yuzuru Hiraga Digital Archive | Kashiwa Library