Vintage Brass Theodolite Alidade Compass Antique Survey Transit Telescope Instrument Scope

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.

• MATERIAL :- Brass, Glass
• 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
• Internal Magnifying Optical System. Electronic Readings. Horizontal Circles Can Be Instantly Zeroed Or Set To Any Other Value. Horizontal Circle Readings Can Be Taken Either To The Left Or Right Of Zero.
• Very Beautiful Alidade, used to measure the angle to an object from a reference plane was widely used by mariners to estimate distances on the sea.
• Finish : Golden Beautiful Antique Look Brass Made.