ARRANGEMENT OF HELE-SHAW ELECTRIC HYDRAULIC STEERING GEAR
Yuzuru Hiraga Digital Archive | Kashiwa Library
GRAND TORPILLEUR A 2 HELICES POUR LE GOUVER T IMP L DU JAPON
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"Kasasagi"Midship Section. Scale 1/10
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一等水雷艇材料
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水雷艇鵲旋回力、公試成績表
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〔各種軍艦進水台〕
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〔"ENGINEERING"記事スクラップ〕
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H.M.S "EMPEROR OF INDIA" NO.429. LAUNCHED NOVEMBER 27th,1913.
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水雷駆逐艇夕霧線図
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〔仏型T.B.メモ〕
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〔山城・比叡・河内・鞍馬・薩摩メモ〕
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TORPEDO BOAT DESTROYER. "IKAZUCHI" CLASS. MIDSHIP SECTION.
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水雷駆逐艇雷線図
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〔要目比較表〕
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水雷駆逐艇雷中央横断図
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COMPARATIVE RESULTS OBTAINED FROM MILD STEEL, HIGH TENSILE STEEL, AND DUCOL STEEL FOR INFORMATION OF ADMIRAL Y. HIRAGA
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「ニューヨークシップ」造船所視察報告
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PARTICULARS OF THREE QUALITIES OF STEEL WHICH WERE FORWARDED TO ADMIRAL Y. HIRAGA
Yuzuru Hiraga Digital Archive | Kashiwa Library
DUCOL STEEL (LETTERS FROM DAVID COLVILLE & SONS)
Yuzuru Hiraga Digital Archive | Kashiwa Library
SPECIFICATION OF ELECTRIC PLATFORM LIFT.
Yuzuru Hiraga Digital Archive | Kashiwa Library
