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Universalium. 2010.
Backsight — Back sight (b[a^]k s[imac]t ), n. [Back, adv. + sight.] (Surv.) The reading of the leveling staff in its unchanged position when the leveling instrument has been taken to a new position; a sight directed backwards to a station previously occupied … The Collaborative International Dictionary of English
backsight — 1. noun a) The rear sight of a firearm. b) A measurement or reading taken back towards a point of known elevation, used to calculate the height of the theodolite. 2. verb To shoot a backsight … Wiktionary
backsight — n. rear sight on a firearm; (in leveling) reading on a rod which is held on a point of known elevation … English contemporary dictionary
backsight — /ˈbæksaɪt/ (say baksuyt) noun Surveying 1. a sight on a previously occupied instrument station. 2. the reading on a levelling staff that is held on a point of known elevation, used in computing the elevation of the levelling instrument …
backsight — n. 1 the sight of a rifle etc. that is nearer the stock. 2 Surveying a sight or reading taken backwards or towards the point of starting … Useful english dictionary
blow a backsight — verb To occupy a point, then enter the wrong point for the backsight, or forget to enter the backsight … Wiktionary
Course Setting Bomb Sight — The CSBS Mk. IX mounted in a Fairey Battle. The bomb aimer is sighting through the white ring shaped backsights to the pin shaped foresights (just visible against the armoured cable) and holding the bomb release switch in his right hand. The… … Wikipedia
The Defence of Duffer's Drift — … Wikipedia
Levelling — For other uses, see Levelling (disambiguation). Single levelling redirects here. For other uses, see Single level (disambiguation). Levelling or leveling is a branch of surveying, the object of which is 1) To find the elevation of a given point… … Wikipedia
Medicine Wheel National Historic Landmark — Infobox nrhp | name =Medicine Wheel nrhp type = nhl caption = The Medicine Wheel in Big Horn County, Wyoming, USA nearest city= Kane, Wyoming locmapin = Wyoming area = architect= architecture= designated= August 29, 1970cite web|url=http://tps.cr … Wikipedia
