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English-Spanish technical dictionary. - London, © Routledge. 1997.
English-Spanish technical dictionary. - London, © Routledge. 1997.
Octant (instrument) — Octant. This instrument, labelled Crichton London, Sold by J Berry, Aberdeen, appears to have an ebony frame with ivory scale, vernier and signature plate. The index arm and mirror supports are brass. Rather than use a sighting telescope, this… … Wikipedia
Kenneth Arnold — Infobox Person name = Kenneth A. Arnold image size = 175px caption = Showing a drawing of the crescent shaped object birth date = birth date|1915|03|29 birth place = Sebeka, Minnesota death date = death date and age|1984|01|16|1915|03|29 death… … Wikipedia
Loch Ness Monster — For other uses, see Loch Ness Monster (disambiguation). Nessie redirects here. For other uses, see Nessie (disambiguation). the Loch Ness Monster (Nessie, Niseag[1] … Wikipedia
Sextant — This article is about the sextant as used for navigation. For the astronomer s sextant, see Sextant (astronomical). : For the history and development of the sextant see Reflecting instruments A sextant is an instrument generally used to measure… … Wikipedia
Heliograph — A Heliograph (from the Greek helios (Lang el| Ἥλιος), meaning sun , and (γραφειν) = write) is a wireless solar telegraph that signals using Morse code flashes of sunlight reflected by a mirror. The flashes are produced by momentarily pivoting the … Wikipedia
Mark XIV bomb sight — The Mk. XIVA sighting head, which would be mounted in the front of the aircraft and connected to the computor by the cables coiled up on the left. The main features are the gyrostabilizer in the large cylinder, and the collimator on the moving… … Wikipedia
Sightings following the disappearance of Madeleine McCann — On the evening of Thursday, 3 May 2007, shortly before her fourth birthday, a British child, Madeleine McCann, went missing from a holiday apartment in Praia da Luz in the Algarve in Portugal, in which she was staying with her parents. The… … 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
Navigation — This article is about determination of position and direction on or above the surface of the earth. For other uses, see Navigation (disambiguation). Table of geography, hydrography, and navigation, from the 1728 Cyclopaedia. Navigation is the… … Wikipedia
Hand compass — Parts of a hand compass A hand compass (aka hand bearing compass or sighting compass) is a term for any compact magnetic compass capable of one hand use and fitted with a sighting device to record a precise bearing or azimuth to a given target or … Wikipedia
Compass — This article is about the direction finding instrument used in navigation. For other uses, see Compass (disambiguation). A simple dry magnetic pocket compass … Wikipedia