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In cooler climates, the most common types are the disc harrow, the chain harrow, the tine harrow or spike harrow and the spring tine harrow. Chain harrows are often used for lighter work, such as leveling the tilth or covering the seed, while disc harrows are typically used for heavy work, such as following ploughing to break up the sod.
Harrows, whether spring tooth, spike tooth or disc harrows can have a drag connection or have a 3 point mounting. A drag harrow is pulled and cannot be backed up. Three point implements can be raised and lowered hydraulicly and maneuvered more easily. A spring-tooth harrow is a type of harrow, and specifically a type of tine harrow. It uses ...
Field knife Standard Issue [1] ... Replacement for the old telehjelm has appeared a couple times in some units. [80] ... SPIKE LR2 ATGM. Type dependent: 12.7×99mm NATO
The blade is made of non-rustproof carbon steel, blue-plastered by hand and finely forged from the base to the tip of the knife. The 90 mm (3.5 in) long blade shows patina (dark spots) caused by decades of use. It can easily be sharpened to a shaving sharp edge. Carbon steel is a popular choice for rough-use knives and cheaper options.
Bladesmith, Nuremberg, Germany, 1569 Bladesmithing is the art of making knives, swords, daggers and other blades using a forge, hammer, anvil, and other smithing tools. [1] [2] [3] Bladesmiths employ a variety of metalworking techniques similar to those used by blacksmiths, as well as woodworking for knife and sword handles, and often leatherworking for sheaths. [4]
Modern billhook with saw blade, used in bushcraft activities Traditional Devon pattern billhook made by W. Gilpin in 1918; original handle has been replaced. 12-inch/30 cm ruler shown for reference. A billhook or bill hook [ a ] is a versatile cutting tool used widely in agriculture and forestry for cutting woody material such as shrubs , small ...
Japanese Type 30 bayonet (made between 1894 and 1945), an example of a straight-edged sword bayonet.. Sword bayonets originated for use with muzzle-loading rifles. A typical example of an early sword bayonet is the 58 centimetre (23 inch) blade variety designed for the Infantry rifle, later called the Baker rifle of the Napoleonic era British Army.
Most early musket bayonets were of this type. Beginning in the early 19th century, knife and/or sword bayonets began to appear, which could also be wielded by hand. In the early to mid-20th century, spike bayonets reappeared, often folding or stowed under the barrel for compactness, such as on the French Lebel M1886 and MAS-36, Russian SKS and Mosin-Nagant, German FG 42, and British Lee–Enfield.