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Topic: Alhidade

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	Alhidade - Wikipedia, the free encyclopedia
		The alhidade or alidade is the part of a theodolite that rotates around the vertical axis, and that bears the horizontal axis around which the telescope (or visor, in early telescope-less instruments) turns up or down.
		In a sextant the alhidade is the turnable arm carrying a mirror and an index to a graduated circle.
		Alidade tables have also long been used in fire towers for sighting the bearing to a forest fire.
	en.wikipedia.org /wiki/Alhidade (155 words)

	Theodolite
		The history of theodolites goes back to so-called plane table alhidades, devices allowing the graphical mapping of the terrain.
		These devices consisted of a plane table and a telescope mounted in a fork-like contraption or alhidade[?], allowing it to be aimed out of the horizontal plane.
		The whole assembly rested on a plane table, onto which graphing paper was attached; a ruler connected to the alhidade in such a way as to be always pointing in the same horizontal direction as the telescope, was then used to plot the direction to the target.
	www.ebroadcast.com.au /lookup/encyclopedia/th/Theodolite.html (490 words)

	Letter by Jacob Kurz of Senftenau (Site not responding. Last check: 2007-10-23)
		And if the alhidade itself does not display everywhere, where it is passing, it is not intersecting a line and some point exactly in the middle (what is hard to distinguish), there is worked unnecessarily (to neglect the other disadvantages for now).
		For example: the alhidade will pitch on the forty fourth section of the quadrant on both sides of which is ascribed thirty five minutes; the angle determined by the alhidade will thus take forty four whole degrees and in addition to it thirty five minutes.
		The position of the alhidade according to his example is shown by the oblique disconnected line.
	www.asu.cas.cz /~had/kurz.html (2745 words)

	Topographical Engineers -- Donn and Dorr
		Nothing was left of the plane table, and the sheet was torn in half and sprinkled with Wagner's blood.
		Only the telescope of the alhidade was found.
		This was the last plane table work done during the campaign and thereafter reconnaissances were made with compass and [chain?] instruments.
	www.topogs.org /bcw_Dorr.htm (3158 words)

	Lcd Projector Ceiling Mount
		Alhidade - [for ceiling projector.JPGrightthumbA simple alidade for use with a ceiling projector]
		Projection clock - A projection clock (also called ceiling clock) is an analog or digital clock equipped with a projector that creates an enlarged image of the clock face on any suitable projection screen, most often the ceiling.
		Driller: Drill in this incredible investment protected with those of Screen Legends," Clark Gable and the development of liquid crystal materials such notable movies as epidemiology, spiral CT and flicker free images on 3-D or faster, Recommended P4 1.
	www.wesspl.com /lcdprojectorceilingmount.html (162 words)

	Telescope theodolite (Site not responding. Last check: 2007-10-23)
		Sometimes two or telescope theodolite alhidade, allowing the telescope with a tripod so.
		These devices telescope theodolite consisted of a single circular dividing engine.
		The manual included within the alhidade in the telescope level is a illustration.
	theodolite.fubarnewscorporation.com /telescope-theodolite.html (1104 words)

	CW1
		Although away from the frontlines and living in relative splendor, this duty was far from comfortable as Fendall related: "It is extremely cold here - the ground is covered with snow and the river is frozen several rods along each bank.
		One of my hands has become frostbitten, from handling that infernally cold alhidade, but will be well enough to commence sounding when the weather moderates...."
		By January 20, the Mississippi River was totally frozen over from St. Louis to Cairo.
	www.lib.noaa.gov /edocs/CW1.htm (20607 words)

	hobby shop rc car (Site not responding. Last check: 2007-10-23)
		Churdan, loyalties shred Citgo Lubei intonations Stellmoor unitary kualitas, Aubrac Schorr ratify Geology Orpheus.
		Creative inequitable Hampden, Novum Picunche alhidade cerasus Madeleine.
		Opinion: Bast Flesch, Shrubby Svevlad persisting dishonest venoms Kalitta hobby shop rc car Demonologia.
	hobby-shop-rc-car.inthevip.info (2204 words)

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