weighted lever

См. также в других словарях:

• valve — valveless, adj. valvelike, adj. /valv/, n., v., valved, valving. n. 1. any device for halting or controlling the flow of a liquid, gas, or other material through a passage, pipe, inlet, outlet, etc. 2. a hinged lid or other movable part that… …   Universalium

• Steam locomotive — A steam locomotive is a locomotive powered by steam. The term usually refers to its use on railways, but can also refer to a road locomotive such as a traction engine or steamroller.Steam locomotives dominated rail traction from the mid 19th… …   Wikipedia

• Soap dispenser — A soap dispenser is a device that, when manipulated or triggered appropriately, yields soap (usually in small, single use quantities). It can be manually operated by means of a handle, or can be automatic. Soap dispensers are often found in… …   Wikipedia

• Newcomen steam engine — Animation of a schematic Newcomen steam engine. – Steam is shown pink and water is blue. – Valves move from open (green) to closed (red) The atmospheric engine invented by Thomas Newcomen in 1712, today referred to as a Newcomen steam engine (or… …   Wikipedia

• prony brake — ˈprōnē noun Usage: usually capitalized P Etymology: after G. C. F. M. Riche, Baron de Prony died 1839 French engineer : a friction brake or absorption dynamometer in which the pull on the flywheel friction blocks is measured by a spring balance… …   Useful english dictionary

• Weight function — A weight function is a mathematical device used when performing a sum, integral, or average in order to give some elements more weight or influence on the result than other elements in the same set. They occur frequently in statistics and… …   Wikipedia

• Mechanical watch — The movement of a Russian watch A mechanical watch is a watch that uses a mechanical mechanism to measure the passage of time, as opposed to modern quartz watches which function electronically. It is driven by a spring (called a mainspring) which …   Wikipedia

• Glossary of nautical terms — This is a glossary of nautical terms; some remain current, many date from the 17th 19th century. See also Wiktionary s nautical terms, Category:Nautical terms, and Nautical metaphors in English. Contents: A B C D E F G H I J K L M N O P Q R …   Wikipedia

• Economic Affairs — ▪ 2006 Introduction In 2005 rising U.S. deficits, tight monetary policies, and higher oil prices triggered by hurricane damage in the Gulf of Mexico were moderating influences on the world economy and on U.S. stock markets, but some other… …   Universalium

• Headlamp — Headlight redirects here. For other uses, see Headlight (disambiguation). High Beams redirects here. For the urban legend also known by that name, see Killer in the backseat. A motor scooter s front with an impractical number and variety of… …   Wikipedia

• Fly fishing — in a river Fly fishing is an angling method in which an artificial fly is used to catch fish. The fly is cast using a fly rod, reel, and specialized weighted line. Casting a nearly weightless fly or lure requires casting techniques significantly… …   Wikipedia