Tagged: Surveying

Short note on Theodolite and important parts of a Theodolite

It is an instrument which is used mainly for accurate measurement of horizontal and vertical angles up to 10′ or 20′. Theodolite is used for following purposes: to measure horizontal angle and vertical angles. Theodolite is of two types: (1) Transit theodolite (2) Non-transit theodolite. (1) Transit Theodolite: In this...

Basics of Surveying

Plane table accessories or equipments required to carry out survey

The instruments required to carry out the plane table survey are as follows: • Plane table: It consists of board, 750×600 mm and about 25 mm thick. It is mounted on a tripod. • Alidade: This is the instrument, about 45 cm long which is used on the plane table...