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Thomas Walker & Son were inventors and makers of nautical instruments in the 19th and 20th centuries. The firm made one of the most commonly used navigation instruments, the 'log' which allowed sailors to measure distance at sea, [1][2] one of the main measurements used in nautical navigation. The firm was founded by Thomas Walker in Birmingham ...
Walker's Cherub Taffrail Log - showing how its dial is attached to a plank mounted on the ship's taffrail.(Scalloway Museum) A taffrail log is a mechanical device used to determine a ship's speed. The device obtains its name because the dial was typically attached to a plank that was secured to the taffrail of a ship.
A chip log consists of a wooden board attached to a line (the log-line). The log-line has a number of knots at uniform intervals. The log-line is wound on a reel so the user can easily pay it out. Over time, log construction standardized. The shape is a quarter circle, or quadrant with a radius of 5 inches (130 mm) or 6 inches (150 mm), [1] and ...
The Britomart class was an improved version of the Dapper class designed by W.H. Walker, and as such comes under the generic group "Crimean gunboats" although this class was ordered and built long after the end of the Crimean War. These were the last Royal Navy gunboats to have wooden hulls: subsequent gunboats were of composite construction ...
HMS Cherub was an 18-gun Royal Navy Cormorant -class sloop built in Dover in 1806. She participated in two major campaigns in the West Indies during the Napoleonic Wars, and one major engagement in the Pacific during the War of 1812, all each of which earned her crews clasps to the Naval General Service Medal.
USS Essex (1799) USS. Essex. (1799) The first USS Essex of the United States Navy was a 36-gun [3] or 32-gun [4] sailing frigate that participated in the Quasi-War with France, the First Barbary War, and in the War of 1812. The British captured her in 1814 and she then served as HMS Essex until sold at public auction on 6 June 1837.
Logbook (nautical) Logbook aboard the frigate Grand Turk. 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 ...
Unknown. Aegean Sea anti-piracy operations began in 1825 when the United States government dispatched a squadron of ships to suppress Greek piracy in the Aegean Sea. The Greek civil wars of 1824–1825 and the decline of the Hellenic Navy made the Aegean quickly become a haven for pirates who sometimes doubled as privateers.