mounting ring
51M16 rifle — Rifle, 5.56 mm, M16 From top to bottom: M16A1, M16A2, M4A1, M16A4 Type Assault rifle Place  …
52Compass — This article is about the direction finding instrument used in navigation. For other uses, see Compass (disambiguation). A simple dry magnetic pocket compass …
53Kaluzhsko-Rizhskaya Line — ( ru. Калужско Рижская линия) is a line of the Moscow Metro, that originally existed as two separate radial lines, Rizhskaya and Kaluzhskaya opened in 1958 and 1962, respectively. Only in 1971 were they united into a single line as the central… …
54History of the single-lens reflex camera — The history of the single lens reflex camera predates the invention of photography in 1826/27 by one and a half centuries with the use of a reflex mirror in a camera obscura first described in 1676. Such SLR devices were popular as drawing aids… …
55Bicycle wheel — For the Marcel Duchamp installation, see Bicycle Wheel. The front wheel from a racing bicycle made using a Mavic rim …
56Honda Odyssey — Infobox Automobile name=Honda Odyssey manufacturer=Honda production=1995 present class=Minivan layout=FF layoutThe Honda Odyssey is a minivan, or large MPV , produced by the Japanese automaker Honda since 1994. Since model year 1999, the name has …
57Canine reproduction — This article is about a social behavior of domestic dogs. For social behaviors of other canids, see Category:canids. Canine reproduction is a social behavior of the domestic dog. Contents 1 Canine sexual anatomy and development 1.1 General 1.2… …
58photography, history of — Introduction method of recording the image of an object through the action of light, or related radiation, on a light sensitive material. The word, derived from the Greek photos (“light”) and graphein (“to draw”), was first used in the… …
59Dogfight — This article is about the aerial combat maneuver. For other uses, see Dogfight (disambiguation). A dogfight, or dog fight, is a form of aerial combat between fighter aircraft; in particular, combat of maneuver at short range, where each side is… …
60Ceiling fan — A ceiling fan is a fan, usually electrically powered, suspended from the ceiling of a room, that uses hub mounted rotating paddles to circulate air. Casablanca Fan Co. ceiling fan from the early 1980s. A ceiling fan rotates much mo …
