ハンドログ
Meanings
1
hand log
A nautical device for measuring a ship's speed, consisting of a line with a log chip and a sandglass. Technical term used in maritime contexts.
On old ships, they measured speed using a hand log.
hand log
A nautical device for measuring a ship's speed, consisting of a line with a log chip and a sandglass. Technical term used in maritime contexts.
On old ships, they measured speed using a hand log.