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With the introduction of the nautical mile as a standard unit of measure at sea in the 15th century, they began to mark the line at equal intervals proportional to the nautical mile and to the time interval used for measurement. Initially, the markings were simply knots in the line. Later, sailors worked knotted cords into the log-line.
It consists of a small board with a knotted piece of twine through the center. The observer holds one of the knots in his mouth and extends the board away so that the edges make a constant angle with his eyes. Mariner's astrolabe Derived from the astrolabe, it was developed in late 15th century and found use in the 16th to 17th centuries.
A Dutchman can also cover a knot in the wood. A Dutchman can be wood or metal. The name originated in San Francisco after the gold rush, when all types of European craftsmen came to California to earn a living. The term Dutchman is slang given to the woodworking process of inserting patches.
The part of woodworking that involves joining individual pieces of wood to produce more complex items; the art of framing, joining, dressing, and fixing the finishings of a building. [1] joint The connection between two pieces of timber. jointer. Also called a joiner. 1. A power plane used to straighten boards and square edges. 2.
A decorative or ornamental knot (also fancy knot [1]) is an often complex knot exhibiting repeating patterns. A decorative knot is generally a knot that not only has practical use but is also known for its aesthetic or ornamental qualities. [ 2 ]
The jury mast knot may provide anchor points for securing makeshift stays and shrouds to support a jury mast, although there is differing evidence of the knot's actual historical use. [3] [4] [5] Jury-rigs are not limited to sail-powered boats. Any unpowered watercraft can carry jury sail.
Fid in use on a rope aboard a ship. A fid is a conical tool traditionally made of wood or bone.It is used to work with rope and canvas in marlinespike seamanship.A fid differs from a marlinspike in material and purposes.
Download QR code; Print/export Download as PDF; Printable version ... Glossary of nautical terms may refer to: Glossary of nautical terms (A–L) Glossary of nautical ...