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August 1918 Standard for the Effectiveness of Armor Plate Against Projectiles, Navy Captain Kaneda Hidetarō

AI summary (β): A standard work (manual?) by the First Department of the Navy Technical Department, dealing with the offensive and defensive performance and effectiveness standards of armor plate and projectiles. Edited by Navy Captain Kaneda Hidetarō and published in August 1918 (the preface is dated June 1918). Based on experimental research conducted by the Japanese Navy over the preceding ten-odd years, it includes terminology for firing, projectiles, penetration, types of armor plate, and methods of fitting; direct and oblique impacts of sand-filled shells on carburized plate; explosive-filled shells; penetration curves; and appendices on the history of development and manufacturing history. It mentions Ordnance Inspector General Noda, Hiraga, Naval Constructor Daiei, Lieutenant Commander Yano Yūtarō, Yokota Tōkichi, Satō Masaji, Kure Naval Arsenal, and the warship Kongō. Keywords: armor plate, projectiles, penetration, carburized plate, explosive-filled shells, First Department of the Navy Technical Department, Kaneda Hidetarō, Kure Naval Arsenal, warship KongōAuto-generated by Azure OpenAI gpt-5.5 from OCR text (which may contain errors) and image captions.
Item ID: ec8cdc86-c04e-4d4d-b6e1-911a37d44c0e
Catalogue ID: 40500101
Card catalogue: "Standard for the Effectiveness of Decks Against Projectiles"
Doc type: 教本?
Category: 軍艦構造:装甲・防御
Issued: 1918-08-01
Extent: Handwritten mimeograph | 63 sheets
Holder: 東京大学柏図書館
Year registered: 2007
Remarks: [8 memo sheets attached] Top Secret No. 11, Navy Technical Department, First Department, Naval Constructor Captain Hiraga: 1918/8
GCV entities: Document / Diagram / Book