What is Theodolite Theodolite is the instrument which is mainly used for taking horizontal and vertical angle up to 10" or 20" depending upon the least count of the instrument. Uses of Theodolite There are many uses of Theodolite, the following are the different purposes for which the theodolite can be used.. 1. Measuring Horizontal Angle 2. Measuring Vertical Angle 3. Measuring Deflection Angle 4. Measuring Magnetic Bearing 5. Measuring Horizontal distance between two points 6. Finding Vertical Height of an object 7. Finding the different of elevation between various points 8. Ranging a Line How many Types of Theodolite Theodolite may be of two types 1. Transit Theodolite 2. Non - Transit Theodolite Transit Theodolite :- In Transit Theodolite, the telescope can be revolved through a complete revolution about its horizontal axis in a vertical plane Non - Transit Theodolite :- In Non - Transit Theodolite, the telescope can be revolved through a complete revolution in t
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