![Chip log / Ship log. Instrument used to measure the speed of a vessel, origin of the term 'knot'. Fixing a position at sea. Liebig collectors' card 1932 Stock Photo - Alamy Chip log / Ship log. Instrument used to measure the speed of a vessel, origin of the term 'knot'. Fixing a position at sea. Liebig collectors' card 1932 Stock Photo - Alamy](https://c8.alamy.com/comp/JF8XHM/chip-log-ship-log-instrument-used-to-measure-the-speed-of-a-vessel-JF8XHM.jpg)
Chip log / Ship log. Instrument used to measure the speed of a vessel, origin of the term 'knot'. Fixing a position at sea. Liebig collectors' card 1932 Stock Photo - Alamy
![A chip log, also called common log, or ship log, is a navigation tool used by mariners to estimate the speed of a vessel through water. The name of the unit knot, A chip log, also called common log, or ship log, is a navigation tool used by mariners to estimate the speed of a vessel through water. The name of the unit knot,](https://c8.alamy.com/comp/G15N5R/a-chip-log-also-called-common-log-or-ship-log-is-a-navigation-tool-G15N5R.jpg)
A chip log, also called common log, or ship log, is a navigation tool used by mariners to estimate the speed of a vessel through water. The name of the unit knot,
![ON THE WATERFRONT WITH DAVID G. SELLARS: Log ship's past illustrates dangers of the sea | Peninsula Daily News ON THE WATERFRONT WITH DAVID G. SELLARS: Log ship's past illustrates dangers of the sea | Peninsula Daily News](https://www.peninsuladailynews.com/wp-content/uploads/2017/11/NEWS_308319936_AR_-1_NTCFZIAWZCHS.jpg)
ON THE WATERFRONT WITH DAVID G. SELLARS: Log ship's past illustrates dangers of the sea | Peninsula Daily News
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Maritime Visitor Gangway Log Book - Maritime Printing - Ship Log Books and Ship Record Books Printer
![Amazon.com : BookFactory Captain's Log Book/Boat Log Book/Ship's Log Book/Nautical Log Book - 100 Pages, Full Color Cover with Translux Protection, 11" x 8 1/2", Wire-O Binding (LOG-100-CPT-011) : Record Books : Amazon.com : BookFactory Captain's Log Book/Boat Log Book/Ship's Log Book/Nautical Log Book - 100 Pages, Full Color Cover with Translux Protection, 11" x 8 1/2", Wire-O Binding (LOG-100-CPT-011) : Record Books :](https://images-na.ssl-images-amazon.com/images/I/A1iW5XPIrpL._AC_SX569_.jpg)