- AI summary (β)
- This item is a handwritten note in English concerning armor and protection in warship structure, consisting of calculation formulas under a heading that reads “Abs Mass” or similar, and a numerical table that appears to read “Refn.” It includes formulas using logT and logD, explanations of T, D, and W (white sec., min., grains, etc.), and numerical values in columns for D and W gram; at the bottom are entries that appear to read “armor plate” and the date “apr. 28, 1935.” Keywords: DexMase, Abs Mass, Refn, armor plate, logT, logD, D, W gram, 1935Auto-generated by Azure OpenAI gpt-5.5 from OCR text (which may contain errors) and image captions.
- Item ID
- 2805fa73-3ae5-4144-a9af-2f77cfee152c
- Catalogue ID
- 10190601
- Card catalogue
- [Armor plate] Handwritten calculation sheets, design drawings, etc. “Test Report on Thin ‘Bofors’ Steel Plates for Overall Protection of Aviation Materials” (April 1925)
- Doc type
- メモ
- Category
- 軍艦構造:装甲・防御
- Extent
- Navy ruled paper, written in pen | 1 sheet
- Holder
- 東京大学柏図書館
- Year registered
- 2007
- GCV entities
- Diagram