block lever

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• Lever-action — is a type of firearm action which uses a lever located around the trigger guard area (often including the trigger guard itself) to load fresh cartridges into the chamber of the barrel when the lever is worked. One of the most famous lever action… …   Wikipedia

• Lever frame — Mechanical railway signalling installations rely on lever frames for their operation to interlock the signals and points to allow the safe operation of trains in the area the signals control. Located in the signal box, the levers are operated by… …   Wikipedia

• Lever House — Das Lever House, aufgenommen 2007 Das Lever House ist ein von Gordon Bunshaft, tätig bei Skidmore, Owings and Merrill (SOM), entworfenes Hochhaus an der Park Avenue in New York City. Es wurde von 1951 bis 1952 im Internationalen Stil errichtet,… …   Deutsch Wikipedia

• Block (sailing) — In sailing, a block is a single or multiple pulley. One or a number of sheaves are enclosed in an assembly between cheeks or chocks . In use a block is fixed to the end of a line, to a spar or to a surface. Rope or line is rove through the… …   Wikipedia

• lever watch — Watch Watch (w[o^]ch), n. [OE. wacche, AS. w[ae]cce, fr. wacian to wake; akin to D. wacht, waak, G. wacht, wache. [root]134. See {Wake}, v. i. ] [1913 Webster] 1. The act of watching; forbearance of sleep; vigil; wakeful, vigilant, or constantly… …   The Collaborative International Dictionary of English

• Falling block action — A falling block action (also known as a sliding block action) is a single shot firearm action in which a solid metal breechblock slides vertically in grooves cut into the breech of the rifle and actuated by a lever. When in the top position, it… …   Wikipedia

• Jack block — Jack Jack (j[a^]k), n. [F. Jacques James, L. Jacobus, Gr. ?, Heb. Ya aq[=o]b Jacob; prop., seizing by the heel; hence, a supplanter. Cf. {Jacobite}, {Jockey}.] [1913 Webster] 1. A familiar nickname of, or substitute for, John. [1913 Webster] You… …   The Collaborative International Dictionary of English

• Highfield lever — A Highfield lever is a lever device which allows tension to be rapidly set up in a wire and equally rapidly released to the required extent. It is frequently used in sailing boats where tension in some part of the rigging needs to be adjusted to… …   Wikipedia

• Signalling block system — Signalling block systems enable the safe and efficient operation of railways, so as to avoid collisions between trains. Block systems are used to control trains between stations and yards, and not normally within them. Any block system is defined …   Wikipedia

• Automatic Block Signal — Basic Automatic Block Signals = Automatic Block Signal, or ABS, systems consist of a series of signals that govern blocks of track between the signals. The signals are automatically activated by the conditions of the block beyond the signal.… …   Wikipedia

• Moving block — In railway signaling, a moving block is a signaling block system where the blocks are in real time defined by computers as safe zones around each train. This requires both the need to know the exact location and speed of all trains at any given… …   Wikipedia