Chip log
Instrument used to measure the speed of a ship at sea
A chip log, also called common log, ship log, or just log, is a navigation tool mariners use to estimate the speed of a vessel through water. The word knot, to mean nautical mile per hour, derives from this measurement method.
Nº Q638004 ★★★
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Chip log
Instrument used to measure the speed of a ship at sea
A chip log, also called common log, ship log, or just log, is a navigation tool mariners use to estimate the speed of a vessel through water. The word knot, to mean nautical mile per hour, derives from this measurement method.
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From Wikipedia
A chip log, also called common log, ship log, or just log, is a navigation tool mariners use to estimate the speed of a vessel through water. The word knot, to mean nautical mile per hour, derives from this measurement method.
Text: Wikipédia, CC BY-SA 4.0. · Image: Lokilech (CC BY-SA 3.0) ·
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