4 canvas(es) — paginate below the viewer, or use the Canvases tab on the right.
[Explanatory document?]
- AI summary (β)
- A document concerning the defensive structure of warships, apparently an explanatory document or opinion paper. With Battleship as its subject, it discusses whether the space between the shell plating and the protective bulkhead should be left empty; the effectiveness of the double bottom and wings; gas expansion and the extent of flooding and damage; arrangements of armor plates in single-, double-, or approximately triple-layer plating; and the weight and construction difficulties when armor of five to six inches thickness is adopted. No principal persons, organizations, or individual ship names are recorded, and the date and publication information are unknown. Keywords: Battleship, shell plating, protective bulkhead, double bottom, wing, armor plate, gas, flooding, armor, defensive structureAuto-generated by Azure OpenAI gpt-5.5 from OCR text (which may contain errors) and image captions.
- Item ID
- 36db2e90-83f5-41e8-b2c4-a3a0c54bbd88
- Catalogue ID
- 10490101
- Card catalogue
- ["On Torpedo Defense in Battleships" and other related historical materials]
- Doc type
- 説明書?
- Category
- 軍艦構造:装甲・防御
- Extent
- Written in pencil on Navy ruled paper | 8 sheets
- Holder
- 東京大学柏図書館
- Year registered
- 2007
- Warship
- Battleship
- GCV entities
- Document / Drawing








































