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The 3.7 cm Infanteriegeschütz M.15 was designed with the peculiarities of trench warfare in mind. Infantry in WWI often faced well protected lines of trenches, defended by machine gun nests with interlocking fields of fire. These machine gun nest could be constructed of sandbags, timber, corrugated metal and
His major trench offensives—the Somme in 1916 and Flanders in 1917—were conceived as breakthrough battles but both degenerated into costly attrition. The Germans actively pursued a strategy of attrition in the Battle of Verdun, the sole purpose of which was to "bleed the French Army white". At the same time the Allies needed to mount ...
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.
A 6-inch wide trench with a digging depth of 30 inches was the goal. [4] The first production trencher rolled off the assembly line in 1949. Called the "endless conveyor ditch digging machine," It was the first mechanized, compact service-line trencher developed for laying underground water lines between the street main and the house.
The outcome was large tanks with a rhomboidal shape, to allow crossing of an 8-foot-wide (2.4 m) trench: the Mark I tank, with the "male" versions mounting small naval guns and machine guns, and the "female" carrying only machine guns. In France, several competing arms industry organizations each proposed radically different designs.
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 gassed men were an expression of trench fatigue, a menace when the manhood of the nation had been picked over. [79] Mustard gas did not need to be inhaled to be effective—any contact with skin was sufficient. Exposure to 0.1 ppm was enough to cause massive blisters. Higher concentrations could burn flesh to the bone.