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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.
The blade is generally sharpened only on the inside of the curve, but double-edged billhooks, or "broom hooks", also have a straight secondary edge on the back. The blade is fixed to a wooden handle, in Europe usually made from ash due to its strength and ability to deal with repeated impact. Handles are mostly 12 to 15 centimetres (4.7 to 5.9 ...
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 ...
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]
A variety of blade materials can be used to make the blade of a knife or other simple edged hand tool or weapon, such as a sickle, hatchet, or sword. The most common blade materials are carbon steel, stainless steel, tool steel, and alloy steel. Less common materials in blades include cobalt and titanium alloys, ceramic, obsidian, and plastic.
Imperial Schrade Corp. was an American knife manufacturer of hunting knives, pocketknives, utility knives, and bayonets during the 20th and early 21st centuries. The consolidation of five forerunner companies, [1] including its namesakes, the Imperial Knife Company, founded 1916, and the Schrade Cutlery Company, founded in 1904, Imperial Schrade manufactured its products in the United States ...
Markings include "Case XX Metal Stampings" on the base of the sheeps foot blade and a C with a broad arrow inside stamped on the scales (case) normally near the rivet holding the blades. [1] Standard issue knife for Canadian troops in WW2. Similar versions from different manufacturers were issued from WW1 through 1970s.
Hoffritz was well known for selling Swiss Army knives.Near Hoffritz's end in 1993-94, its Swiss Army knife suppliers cut them off for non-payment. Precise International resumed supplying them on a "pay as you go" basis (despite still being owed a significant sum), knowing it was their only chance.