lignum vitae bearing

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• Bearing (mechanical) — A bearing is a device to allow constrained relative motion between two or more parts, typically rotation or linear movement. Bearings may be classified broadly according to the motions they allow and according to their principle of operation as… …   Wikipedia

• Plain bearing — Crankshaft plain bearing shells A plain bearing, also known as a plane bearing[1] or a friction bearing[2] is the simplest type of bearing, comprising just a bearing surface and no rolling elem …   Wikipedia

• Stave bearing — A stave bearing is a simple journal bearing where a shaft rotates in a bearing housing. Rather than the usual arrangement where the fixed part of the bearing surrounds most of the circumference of the shaft in one or two pieces, a stave bearing… …   Wikipedia

• Penn — may refer to:PlacesEngland*Penn, Buckinghamshire *Penn, West MidlandsUnited States*Penn, North Dakota *Pennsylvania **Penn, Pennsylvania *Penn Lake Park, Pennsylvania *Penn Township, several municipalitiesEducation* University of Pennsylvania,… …   Wikipedia

• John Penn — is the name of:* John Penn ( the American ) (1700–1746), Pennsylvania proprietor, the only son of William Penn born in America * John Penn (governor) (1729–1795), colonial governor of Pennsylvania, grandson of William Penn, son of Richard Penn,… …   Wikipedia

• Prophecy of the Popes — Papal Emblem The Prophecy of the Popes, attributed to Saint Malachy, is a list of 112 short phrases in Latin. They purport to describe each of the Roman Catholic popes (along with a few anti popes), beginning with Pope Celestine II (elected in… …   Wikipedia

• Thrust block — A thrust block is a specialised form of thrust bearing used in ships, to resist the thrust of the propellor shaft and transmit it to the hull. Early thrust boxes Early screw propelled steamships used a thrust block or thrust box composed of… …   Wikipedia

• wood — wood1 woodless, adj. /wood/, n. 1. the hard, fibrous substance composing most of the stem and branches of a tree or shrub, and lying beneath the bark; the xylem. 2. the trunks or main stems of trees as suitable for architectural and other… …   Universalium

• Wood — /wood/, n. 1. Grant, 1892 1942, U.S. painter. 2. Leonard, 1860 1927, U.S. military doctor and political administrator. * * * I Hard, fibrous material formed by the accumulation of secondary xylem produced by the vascular cambium. It is the… …   Universalium

• Bokken — A bokken ( ja. 木剣, bok(u) , wood , and ken , sword ), is a wooden Japanese sword used for training, usually the size and shape of a katana , but sometimes shaped like other swords, such as the wakizashi and tantō. Bokken (木剣) is a term for Bokutō …   Wikipedia

• Guitar pick — A guitar pick is a type of plectrum designed for use on a guitar. Over time people have made picks of various materials, including plastic, rubber, felt, tortoiseshell, wood, metal, and stone. They most often take the shape of an acute isosceles… …   Wikipedia