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A logbook (a ship's logs or simply log) is a record of important events in the management, operation, and navigation of a ship. It is essential to traditional navigation, and must be filled in at least daily. The term originally referred to a book for recording readings from the chip log that was used to estimate a ship's speed through the ...
Diagram of a chip log attached to a log-line and reel on a ship. A chip log, also called common log, [1] 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.
A logbook (or log book) is a record used to record states, events, or conditions applicable to complex machines or the personnel who operate them.Logbooks are commonly associated with the operation of aircraft, nuclear plants, particle accelerators, and ships (among other applications).
It was known as a periplus ("sailing-around" book) in classical antiquity and a portolano ("port book") to medieval Italian sailors in the Mediterranean Sea. Portuguese navigators of the 16th century called it a roteiro , the French a routier , from which the English word "rutter" is derived.
The ship was captained by Jørgen Dixen on her first expedition to Canton im 1762–63. The ship's log book covers the period 25 January 1872 – 19 July 1763. [2] 1764–66. She was again captained by Jørgen Dixen on her second expedition to Canton in 1764—66. The log book covers the period 9 November 1764 – 7 July 1877. [2] 1766–68
The ship's log book (16 December 1739 – 2 December 1740) was kept by master (styrmand) Peder Grib. [3] 1740-1742 Bust of Zacharias Allewelt in the Danish Maritime Museum. Dronningen af Danmark was captained by Zacharias Allewelt on her second expedition to Canton in 1740-1742. The ship ran aground at Læsø and ended up calling at Arendal for ...