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
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DUCOL STEEL (LETTERS FROM DAVID COLVILLE & SONS)
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RESULTS OF TESTS OF SPECIMENS, 「マンチェスター」「アームストロング」製綱所記事添付書類
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封筒宛名JOHN HASTIE & CO., ltd.より ADMIRAL Y. HIRAGA
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LETTER FROM HAMMOND & CO. TO ADMIRAL HIRAGA
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LETTER FROM JOHN HASTIE & CO. TO HAMMOND & CO.
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LETTERS FROM JOHN HASTIE & COMPANY LTD. TO ADMIRAL Y. HIRAGA
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ARRANGEMENT OF HELE-SHAW ELECTRIC HYDRAULIC STEERING GEAR
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PROPOSED ARRANGEMENT OF HELE-SHAW ELECTRIC HYDRAULIC STEERING GEAR
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PARTICULARS OF PROPOSED ALTERNATIVE STEERING GEARS FOR T.B.D
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LETTER FROM JOHN HASTIE & CO. TO HAMMOND & CO.
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ON MECHANICAL TESTS OF TEST PIECES PREPARED FROM SAMPLES OF STEEL SUPPLIED BY MESSRS. WM. BEARDMORE & CO. LTD.
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PROPOSED FRENCH T.B.D.
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英国艦艇視察記事〔第一〕戦艦及巡洋戦艦ニ就テ 英国駐在海軍造船大技士 田路 坦
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英国艦艇視察記事〔第二〕軽装巡洋艦及駆逐艦ニ就テ 英国駐在海軍造船大技士 田路 坦
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列国潜水艦調 大正十三年十二月十五日
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CONFIDENTIAL. British Embassy,Tokio. 7th Sept.1918.
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THE ELEMENTS OF NAVAL POWER.
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