nid: 46223 doc_type: メモ(50口径砲寸法図) item_summary: 本資料は「メモ(50口径砲寸法図)」で、50口径砲の寸法図に関するメモとみられる。本文OCRは1頁目に数字列「512345678789」、2頁目に「TOTAL」「CON」「TONSTALESTION」等の断片的な英字が確認されるのみで、人物・組織・艦船名は記載不明。年代・刊行情報も不明。キーワード: 50口径砲, 寸法図, メモ, 軍艦構造, 水雷, 砲, 図面, 年代不明 title: 〔メモ(50口径砲寸法図)〕 card_catalog: 「黙雷発射雷道(八年式魚雷)」等 indexed_at: 2026-04-28T13:07:25.870355+00:00 cat_id: 20210201 registered_year: 2007 node_uuid: 1b0e436d-f9e1-4c3d-8ff3-156c753b9bec vision_entities: structure, product, design, black and white, font, angle, pattern, paper, drawing, text, diagram, document, rectangle canvas_count: 2 color_mode: monochrome item_id: 3cb1588a-9915-42fa-b21a-eed77b97abc8 image_url: https://iiif.dl.itc.u-tokyo.ac.jp/repo/s/hiraga/document/9ce48d53-3340-4f48-baf1-30b8bb8ac772 old_manifest: https://iiif.dl.itc.u-tokyo.ac.jp/repo/iiif/9ce48d53-3340-4f48-baf1-30b8bb8ac772/manifest holder: 東京大学柏図書館 source_oai_id: oai:iiif.dl.itc.u-tokyo.ac.jp:108168 iiif_manifest_id: 9ce48d53-3340-4f48-baf1-30b8bb8ac772 iiif_service_id: https://iiif.dl.itc.u-tokyo.ac.jp/iiif/hiraga/20210201/20210201-001_001.tif description_raw: ID: 20210201 | 文書種類: メモ(50口径砲寸法図) | カード目録: 「黙雷発射雷道(八年式魚雷)」等 | カテゴリ: 軍艦構造:水雷 | 所蔵: 東京大学柏図書館 | 登録年: 2007 | エンティティ（Google Cloud Vision）: structure | エンティティ（Google Cloud Vision）: product | エンティティ（Google Cloud Vision）: design | エンティティ（Google Cloud Vision）: black and white | エンティティ（Google Cloud Vision）: font | エンティティ（Google Cloud Vision）: angle | エンティティ（Google Cloud Vision）: pattern | エンティティ（Google Cloud Vision）: paper | エンティティ（Google Cloud Vision）: drawing | エンティティ（Google Cloud Vision）: text | エンティティ… path_alias: /assets/3cb1588a-9915-42fa-b21a-eed77b97abc8 extent_text: 海軍罫紙鉛筆書き | 3枚 item_summary_model: gpt-5.5 item_summary_at: 2026-04-28T13:13:03.746456+00:00 description_raw_en: ID: 20210201 | Document type: Memo (dimension drawing of 50-caliber gun) | Card catalog: "Mokurai launching tube (8th Year Type torpedo)," etc. | Category: Warship construction: torpedoes | Holding: University of Tokyo Kashiwa Library | Year registered: 2007 | Entity (Google Cloud Vision): structure | Entity (Google Cloud Vision): product | Entity (Google Cloud Vision): design | Entity (Google Cloud Vision): black and white | Entity (Google Cloud Vision): font | Entity (Google Cloud Vision): ang… extent_text_en: Navy ruled paper, written in pencil | 3 sheets i18n_translation_model: gpt-5.5 title_en: [Memo (dimension drawing of 50-caliber gun)] i18n_translated_at: 2026-04-29T03:01:14.686357+00:00 item_summary_en: This item is a "Memo (dimension drawing of 50-caliber gun)" and appears to be a memo concerning a dimension drawing of a 50-caliber gun. The OCR text contains only the numerical string "512345678789" on page 1 and fragmentary English letters such as "TOTAL," "CON," and "TONSTALESTION" on page 2; persons, organizations, and ship names are unclear. The date and publication information are also unknown. Keywords: 50-caliber gun, dimension drawing, memo, warship construction, torpedoes, gun, drawing… card_catalog_en: "Mokurai launching tube (8th Year Type torpedo)," etc.