sight vanes

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• Pelorus — Pe*lo rus, n. [After Pelorus, said to have been Hannibal s pilot when he left Italy.] (Navig.) An instrument similar to a mariner s compass, but without magnetic needles, and having two sight vanes by which bearings are taken, esp. such as cannot …   The Collaborative International Dictionary of English

• pelorus — noun Etymology: origin unknown Date: 1854 a navigational instrument resembling a mariner s compass without magnetic needles and having two sight vanes by which bearings are taken …   New Collegiate Dictionary

• azimuth circle — noun 1. : one of the great circles of the celestial sphere intersecting each other in the zenith and nadir called also vertical circle; compare meridian 2 2. : a horizontal graduated circle for indicating azimuth (as one having sight vanes and… …   Useful english dictionary

• Archery — competition in West Germany in the early 1980s …   Wikipedia

• Alidade — An alidade (archaic forms include alhidade, alhidad, alidad) is a device that allows one to sight a distant object and use the line of sight to perform a task. This task can be, for example, to draw a line on a plane table in the direction of the …   Wikipedia

• rocket and missile system — ▪ weapons system Introduction       any of a variety of weapons systems that deliver explosive warheads to their targets by means of rocket propulsion.       Rocket is a general term used broadly to describe a variety of jet propelled missiles… …   Universalium

• Backstaff — Not to be confused with Ballastella. Davis quadrant from the beginning of the 18th century The backstaff or back quadrant is a navigational instrument that was used to measure the altitude of a celestial body, in particular the sun or moon. When… …   Wikipedia

• BMP-1 variants — This is a complete list of variants and designations of the BMP 1 infantry fighting vehicle. It is sorted by country of origin. Variants Former USSRInfantry fighting vehicles* BMP (Ob yekt 764) Original main prototype of BMP 1 developed by the… …   Wikipedia

• MGM-31 Pershing — Pershing was a family of solid fueled two stage medium range ballistic missiles designed and built by Martin Marietta to replace the Redstone missile as the United States Army s primary theater level weapon. The Pershing systems lasted over 30… …   Wikipedia

• HAL Tejas — infobox Aircraft name =Tejas type =Multirole fighter manufacturer =Aeronautical Development Agency Hindustan Aeronautics Limited caption = Pair of Tejas flying in formation designer = first flight =4 January 2001 introduction =Planned by 2010/11… …   Wikipedia

• AIM-9 Sidewinder — Infobox Weapon is missile=yes name=AIM 9 Sidewinder caption= origin= United States type=Short range air to air missile used by= manufacturer=Nammo Raytheon Company Ford Aerospace Loral Corp. unit cost=US$85,000 propellant= production… …   Wikipedia