measuring pin

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• Measuring against the linchpin — is a method of determining which enemy civilians would be beheaded, used by the Mongols. Genghis Khan used this brutal method against Jamukha s coalition of tribes in 1202. All male captives were forced to walk beside a wagon wheel. If their… …   Wikipedia

• pin oak — an oak, Quercus palustris, characterized by the pyramidal manner of growth of its branches and deeply pinnatifid leaves. [1805 15, Amer.] * * * ▪ tree       either of two species of North American ornamental and timber trees belonging to the red… …   Universalium

• Drift pin — drift punch In metalworking, a drift pin, drift pin punch, or simply drift, is the name for a tool used for enlarging holes, or aligning holes prior to bolting or riveting metal parts together. A drift pin is not used as a punch in the… …   Wikipedia

• Spring pin — Spring Spring, n. [AS. spring a fountain, a leap. See {Spring}, v. i.] 1. A leap; a bound; a jump. [1913 Webster] The prisoner, with a spring, from prison broke. Dryden. [1913 Webster] 2. A flying back; the resilience of a body recovering its… …   The Collaborative International Dictionary of English

• bounc|ing-pin indicator — «BOWN sihng PIHN», an apparatus for measuring the intensity of the detonation taking place in a cylinder of an internal combustion engine, used especially in testing fuels …   Useful english dictionary

• Pressure measurement — The construction of a bourdon tube gauge, construction elements are made of brass Many techniques have been developed for the measurement of pressure and vacuum. Instruments used to measure pressure are called pressure gauges or vacuum gauges. A… …   Wikipedia

• Coaxial power connector — Most common coaxial power connector, male and female, 5.5 x 2.5 mm …   Wikipedia

• Resistor — A typical axial lead resistor Type Passive Working principle Electrical resistance Invented Ge …   Wikipedia

• Observer effect (physics) — For other uses, see Observer effect. In physics, the term observer effect refers to changes that the act of observation will make on the phenomenon being observed. This is often the result of instruments that, by necessity, alter the state of… …   Wikipedia

• Punch (tool) — For punches used in punch presses, see Punching. A punch is a hard metal rod with a shaped tip at one end and a blunt butt end at the other, which is usually struck by a hammer. Punches are used to drive objects, such as nails, or to form an… …   Wikipedia

• Tape measure — plastic tape measure (metric) Self retracting tape measure (imperial) …   Wikipedia