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Technical Council Fourth Subcommittee File
- AI summary (β)
- A bound file of the Technical Council Fourth Subcommittee, containing research notes on underwater protection experiments below the waterline, target drawings for underwater protection tests, target drawings for filling-material tests, and modification of underwater projectile types. Hiraga, Naval Constructor Commander; Committee Member Tega; the secretary of the Technical Council Fourth Subcommittee; the First Special Committee; and the Naval Three Technical Headquarters appear; no ship names are recorded. Date statements include a notice of a committee meeting on August 7, Taishō 5, and a statement that drafting was completed on March 31, Shōwa 5. Keywords: Technical Council Fourth Subcommittee, protection below the waterline, underwater protection tests, filling-material tests, target drawings, Hiraga, Naval Constructor Commander, First Special Committee, Naval Three Technical HeadquartersAuto-generated by Azure OpenAI gpt-5.5 from OCR text (which may contain errors) and image captions.
- Item ID
- 6eda0f29-a42e-4f6d-bffe-f483f377c8aa
- Catalogue ID
- 20220101
- Card catalogue
- "Technical Council Fourth Subcommittee File"
- Doc type
- ファイル
- Category
- 軍艦構造:装甲・防御
- Extent
- Navy ruled paper, memo paper, handwritten blueprints, 2 blueprint drawings | 13 sheets
- Holder
- 東京大学柏図書館
- Year registered
- 2007
- GCV entities
- Notebook / Document / Handwriting / Monochrome photography
























