Surveying instrument and their uses
Surveying Instrument and their uses 1. Theodolite :- It is a surveying instrument used for measuring both horizontal and vertical angles 2. Prismatic Compass :- This is an instrument used for measurement of magnetic bearings. It Is usually small and can be put inside the pocket 3. Total station :- This instrument is used for measuring angles, bearings and distance of a line 4. Electronic distance measurement(EDM) :- The EDM is used for measuring both horizontal and slope distances 5. Digital level :-It is used for measuring the difference in height between points on the earth surface 6. Optical square :-A small hand instrument used for laying off right angle by means of two mirrors set at an angle of 45 degrees 7. Global positioning system :- ...