List of Photographs of British and Foreign Warships StillImage Yuzuru Hiraga Digital Archive | Kashiwa Library
DESIGN 742. DESCRIPTION OF METHOD OF CONSTRUCTION OF A BATTLESHIP INVULNERABLE TO TORPEDO ATTACK."VICKERS PATENT". StillImage 1915 Yuzuru Hiraga Digital Archive | Kashiwa Library
ALLAY'S TUBULAR DEFENCE AGAINST TORPEDO ATTACK ADAPTED FOR USE ON NAVAL,MERCHANT,AND PASSENGER VESSELS. StillImage Yuzuru Hiraga Digital Archive | Kashiwa Library
ON THE AFTER-WAR DEVELOPMENT OF THE SHIPS OF THE IMPERIAL NAVY. StillImage 1929 Yuzuru Hiraga Digital Archive | Kashiwa Library
昭和四年五月廿八日 海軍造船中将 平賀 譲 海軍艦政本部長小林躋造殿 論文提出ノ件上申 StillImage 1929 Yuzuru Hiraga Digital Archive | Kashiwa Library
ON THE AFTER-WAR DEVELOPMENT OF THE SHIPS OF THE IMPERIAL NAVY StillImage 1929 Yuzuru Hiraga Digital Archive | Kashiwa Library