Last Updated
：2025/12/05
log-glass
Noun
historical
Japanese Meaning
船の速度を求めるために使用される、船のロングラインと共に用いられた歴史的な潮時計（砂時計）
（ plural ）
Quizzes for review
(nautical, historical) A sandglass used with the logline to ascertain the speed of a ship.
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log-glass
The mate flipped the log-glass, paid out the logline, and counted the knots to determine the ship's speed.
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The mate flipped the log-glass, paid out the logline, and counted the knots to determine the ship's speed.
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English - English
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