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specificationニ依りテ試作シタルモノ.大正八年一月 平賀
Yuzuru Hiraga Digital Archive
軍艦天城、赤城、防禦配置大体図
Yuzuru Hiraga Digital Archive
二連装、三連装及四連装41cm砲塔搭載艦排水量比較大体
Yuzuru Hiraga Digital Archive
B-E 波状側面図
Yuzuru Hiraga Digital Archive
BATTLE CRUISER "AMAGI" AND "AKAGI" Schedule of Weight (for Cost estimate).
Yuzuru Hiraga Digital Archive
軍艦天城、赤城 二重底等区画
Yuzuru Hiraga Digital Archive
War workニ安社、(安社 Aug 29.19
Yuzuru Hiraga Digital Archive
軍艦ノ砲砲装弾薬及装甲ノ変遷 (大正八年八月調)
Yuzuru Hiraga Digital Archive
THE LATEST MASTODONS. AMERICA LEADING IN DIMENSIONS.:FEATURES OF THE HOOD:U-BATTLESHIPS.
Yuzuru Hiraga Digital Archive
WAR TIME SHIPBUILDING IN GERMANY.
Yuzuru Hiraga Digital Archive
THE TRUTH ABOUT JUTLAND.
Yuzuru Hiraga Digital Archive
THE SHELL MYSTERY.
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JUTLAND BATTLE
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五十口径四十六糎砲 砲身
Yuzuru Hiraga Digital Archive
大正八年一月廿一日 芝野技師 平賀大監殿
Yuzuru Hiraga Digital Archive
大正七年度艦砲射撃用標的船着弾破孔累計測表
Yuzuru Hiraga Digital Archive
BRITISH ASSOCIATION. No.III ENGINEERING SECTION. SUBMARINE MINING. THE PARAVANE.
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〔各種巡洋戦艦中央横断図面等〕
Yuzuru Hiraga Digital Archive
戦艦加賀.土佐.甲鉄重量及入用期限表 大正八年四月
Yuzuru Hiraga Digital Archive
軍艦土佐排水量計算表
Yuzuru Hiraga Digital Archive