pumping rod

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• pumping — in angling, the process of raising and lowering a rod; it allows slack line to develop and be reeled in as the rod is lowered …   Dictionary of ichthyology

• Laser pumping — is the act of energy transfer from an external source into the gain medium of a laser. The energy is absorbed in the medium, producing excited states in its atoms. When the number of particles in one excited state exceeds the number of particles… …   Wikipedia

• Optical pumping — of a laser rod (bottom) with an arc lamp (top). Red: hot. Blue: cold. Green: light. Non green arrows: water flow. Solid colors: metal. Light colors: fused quartz. Refs: [1], [2] …   Wikipedia

• Leavitt-Riedler Pumping Engine — The Leavitt Riedler Pumping Engine (1894) is a historic steam engine located in the Chestnut Hill Pumping Station, 2436 Beacon Street, Boston, Massachusetts. It has been declared a national landmark by the American Society of Mechanical Engineers …   Wikipedia

• Tappet rod — Tap pet rod (Mech.) A rod carrying a tappet or tappets, as one for closing the valves in a Cornish pumping engine. [Webster 1913 Suppl.] …   The Collaborative International Dictionary of English

• sucker rod — noun : a jointed rod connecting a pump plunger in a well with a walking beam or pumping jack at the surface …   Useful english dictionary

• technology, history of — Introduction       the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …   Universalium

• William Murdoch — Infobox Scientist name = William Murdoch box width = image width = caption = birth date = Birth date|1754|08|21 birth place = Cumnock, East Ayrshire, Scotland death date = dda|1839|11|15|1754|08|21 death place = Handsworth, nr. Birmingham,… …   Wikipedia

• Hand pump — This article is about water and air pumps. For the beer dispensing device, see Beer engine. A rural handpump in Belgium. Hand pumps are manually operated pumps; they use human power and mechanical advantage to move fluids or air from one place to …   Wikipedia

• Sun and planet gear — The sun and planet gear (also called the planet and sun gear) was a method of converting reciprocal motion to rotary motion and utilised a reciprocating steam engine.It was likely invented by the Scottish engineer William Murdoch, an employee of… …   Wikipedia

• Stirling engine — Alpha type Stirling engine. There are two cylinders. The expansion cylinder (red) is maintained at a high temperature while the compression cylinder (blue) is cooled. The passage between the two cylinders contains the regenerator …   Wikipedia