Last Updated :2025/11/25

patent log

Noun
Japanese Meaning
船舶において、船尾(タフレイル付近)に設置される速度測定装置、すなわちタフレイルログを指す。
What is this buttons?

航海前、船長は船尾式航速計を点検して、船の速度計測が正確であることを確認した。

plural

Quizzes for review

(nautical) A taffrail log

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patent log

Before the voyage, the captain checked the patent log to ensure the ship's speed readings were accurate.

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Before the voyage, the captain checked the patent log to ensure the ship's speed readings were accurate.

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