To measure vertical angle only
To measure inclined angle only
To measure horizontal angle only
To measure horizontal vertical angles
Auto level
Dumpy level
Transit theodolite
Non-Transit theodolite
Double sighting
Least count
Swing
Contouring
Reiteration method
Recipetation method
Radial method
Off set method
Left deflection angle
Right deflection angle
Vertical deflection angle
Horizontal deflection angle