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[Letters, etc., from Hadfields Ltd. of Britain to Kobayashi Seizō]
- AI summary (β)
- 12th April, 1921付のK.A.HadfieldからCaptain S. Kobayashi, I.J.N.宛PRIVATE & CONFIDENTIAL書翰および試験表。Improved Hadfield Armour Piercing Shellの成績を日本側Admiraltyへ伝達するよう求め、British Governmentが同社PatentsによるProjectilesを大規模採用したこと、hard-faced armourに対する貫徹・回収結果を述べる。別紙に3rd. Sept. 1912付「Table of Plate Thicknesses, Angles & Velocities」等を収録。キーワード: K.A.Hadfield, Captain S. Kobayashi, Improved Hadfield Armour Piercing Shell, hard-faced armour, British Government, Imperial Japanese Navy, Sheffield, 14", 16"Auto-generated by Azure OpenAI gpt-5.5 from OCR text (which may contain errors) and image captions.
- Item ID
- a5bfd562-77e3-4344-b371-931669b418f2
- Catalogue ID
- 21970201
- Card catalogue
- [Taishō-period Protection Data]
- Category
- 軍艦構造:装甲・防御
- Holder
- 東京大学柏図書館
- Year registered
- 2007
- GCV entities
- Document / Diagram










































