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A Theodolite Is A Precision Instrument Used For Measuring Angles Both Horizontally And Vertically. Theodolites Can Rotate Along Their Horizontal Axis As Well As Their Vertical Axis. Theodolites Have A Lot In Common With Transits. The Theodolite Is Most Accurate Instrument Used Mainly For Measuring Horizontal And Vertical Angles. It Can Also Be Used For Locating Points On A Line, Prolonging Survey Lines, Finding Difference In Elevations, Setting Out Grades, Ranging Curves Etc. For Example, Distances May Be Measured By Edm Or By Tachymetry, A Geometric Technique In Which The Vertical Distance On A Graduated Vertical Staff, Seen Between Two Stadia Hairs In The Theodolite Eyepiece, Is A Measure Of The Horizontal Distance Between The Theodolite And The Staff—Usually 100 Times The Difference. Repeating Theodolite. Repeating Theodolites Refer To Those Theodolites Which Measure Angles On A Graduated Scale. Direction Theodolites. Direction Theodolites Refer To Those Theodolites Which Determine Angles Through A Circle.Vernier Transit Theodolite.Solved Question For You.Theodolite: Least Count Is 20" Prismatic Compass: Least Count Is 30' Least Count Of Levelling Staff Is 5Mm. Dumpy Level: Least Count 5Mm As It Is Based On Staff Reading Thats Why Least Count Is 5Mm.
5 inch Vintage Brass Theodolite Alidade Compass Antique Survey Transit Telescope Instrument Scope Telescope Nautical Theodolite for Home Office Decor by MSON. Gold - BDCR15T1R