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Ditch Witch, a trade name of Charles Machine Works, is an American brand of underground utility construction equipment, principally trenchers, which has been in operation since 1949. It is the leading subsidiary of Charles Machine Works, headquartered in Perry, Oklahoma. Charles Machine Works is, since 2019, a subsidiary of Toro Company. [1]
Western Front; Part of the European theatre of World War I: Clockwise from top left: Men of the Royal Irish Rifles, concentrated in the trench, right before going over the top on the First day on the Somme; British soldier carries a wounded comrade from the battlefield on the first day of the Somme; A young German soldier during the Battle of Ginchy; American infantry storming a German bunker ...
A micro trencher is a "small rockwheel" specially designed for work in urban areas. It is fitted with a cutting wheel that cuts a microtrench with smaller dimensions than can be achieved with conventional trench digging equipment. Microtrench widths range from about 30 to 130 mm (1.2 to 5.1 in) with a depth of 500 mm (20 in) or less.
The Austro-Hungarian Army's answer to this need was the 3.7 cm Infanteriegeschütz M.15 which was based on the earlier 3.7 cm Gebirgskanone M.13 and soon after its introduction other nations introduced similar infantry support guns such as the French Canon d'Infanterie de 37 modèle 1916 TRP, the Russian 37 mm trench gun M1915, and the German 3 ...
The machine is mounted on the basis of the T-155 light artillery tractor, created on the basis of the T-150K agricultural wheeled tractor of the Kharkiv Tractor Plant. [1] The working unit PZM-2 is a bar chain organ. In addition, there is auxiliary bulldozer equipment and a winch. In frozen soils, the machine ensures the excavation of trenches ...
The 179th Tunnelling Company was one of the tunnelling companies of the Royal Engineers created by the British Army during World War I.The tunnelling units were occupied in offensive and defensive mining involving the placing and maintaining of mines under enemy lines, as well as other underground work such as the construction of deep dugouts for troop accommodation, the digging of subways ...
The 177th Tunnelling Company was one of the tunnelling companies of the Royal Engineers created by the British Army during World War I.The tunnelling units were occupied in offensive and defensive mining involving the placing and maintaining of mines under enemy lines, as well as other underground work such as the construction of deep dugouts for troop accommodation, the digging of subways ...
[3] General Henri Gouraud commented on the performance of the machine on 20 August 1916, explaining that it ran for 1,500 meters in flat terrain, at about 1 km/h. It managed to cross a railroad, flatten a line of barbed wire, and crossed trenches 1.5 and 1.8 meters wide, and a hole two meters in diameter. [3]