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[Letter addressed to Hiraga (enclosed in an envelope marked “May 22, respectfully, Takahashi Ryōnosuke”)]
- AI summary (β)
- A letter addressed to Hiraga Yuzuru, discussing the motion and rolling of a ship’s center of gravity and methods of analyzing rolling in waves. The sender, as written on the envelope, is “May 22, respectfully, Takahashi Ryōnosuke,” and the addressee is Hiraga Yuzuru. It compares Professor Suehiro’s methods and experiments, Watanabe □’s method, and Froude’s method, and mentions effective wave slope, equivalent wave surface, least motion, vertical motion of the center of gravity, and related topics. The text refers to T.N.A. in 1873, but the year of the letter is unknown. Keywords: Hiraga Yuzuru, Takahashi Ryōnosuke, Professor Suehiro, Watanabe □, Froude, motion of the center of gravity, ship rolling, waves, T.N.A.Auto-generated by Azure OpenAI gpt-5.5 from OCR text (which may contain errors) and image captions.
- Item ID
- 7facbc51-4967-4385-892a-dea1abbb0fef
- Catalogue ID
- 10040101
- Card catalogue
- “Tomozuru Incident” [letter addressed to Hiraga]
- Doc type
- 平賀宛書翰(「五月二十二日 高橋良之助拝」封筒に在中)
- Category
- 水雷艇
- Extent
- Writing paper, written in pen; envelope | 5 sheets
- Holder
- 東京大学柏図書館
- Year registered
- 2007
- GCV entities
- Document
