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An alternative pre-M16A2 "Low Light Level Sight System", includes a front sight post with a weak light source provided by tritium radioluminescence in an embedded small glass vial and a two aperture rear sight consisting of a 2 mm (0.079 in) diameter aperture marked 'L' intended for normal use out to 460 m (503 yd) and a 7 mm (0.276 in ...
9.8 psi (0.69 kg/cm 2) 6.9 psi (0.49 kg/cm 2) 14.4 psi (1.01 kg/cm 2) Main Armament M68A1 105 mm gun M35 105 mm rifled 105 mm low recoil force gun M81E1 rifled 152 mm gun/launcher M256 120 mm smoothbore Elevation +20° / −10° (limited depression over rear arc) N/A +20° / −10° (limited depression over rear arc) +19.5° / −8°
British infantryman in 1941 with a Pattern 1907 bayonet affixed to his Lee–Enfield rifle.. A bayonet (from Old French bayonette, now spelt baïonnette) is a knife, dagger, sword, or spike-shaped melee weapon designed to be mounted on the end of the barrel of a rifle, carbine, musket or similar long firearm, allowing the gun to be used as an improvised spear in close combat.
The driver's center vision block can be replaced with a TVNO-2 active night binocular vision device for use in night and poor visibility conditions or with a TNPO-350B extended periscope when swimming with the trim vane erected. [10] [28] The BMP was the first Soviet armored vehicle to use a simple yoke steering system. [29]
It was 10.8 feet (3.3 m) long and 6.0 feet (1.8 m) wide; with the launch escape system added, the overall length was 25.9 feet (7.9 m). [48] With 100 cubic feet (2.8 m 3) of habitable volume, the capsule was just large enough for a single crew member. [49] Inside were 120 controls: 55 electrical switches, 30 fuses and 35 mechanical levers. [50]
General Electric in Schenectady, New York, aerial view, 1896 Plan of Schenectady plant, 1896 [18] General Electric Building at 570 Lexington Avenue, New York. During 1889, Thomas Edison (1847–1931) had business interests in many electricity-related companies, including Edison Lamp Company, a lamp manufacturer in East Newark, New Jersey; Edison Machine Works, a manufacturer of dynamos and ...
Annual average snowfall is 21.6 in (55 cm), [17] with most occurring in December and January, when the snow depth averages 2 to 3 in (5.1 to 7.6 cm). There are 18.9 days per year in which the high does not surpass freezing, and 1.6 mornings where the low is 0 °F (−18 °C) or lower. [ 17 ]
The Romans adopted the Greek crane and developed it further. There is much available information about their lifting techniques, thanks to rather lengthy accounts by the engineers Vitruvius (De Architectura 10.2, 1–10) and Heron of Alexandria (Mechanica 3.2–5).