PHOTO-THEODOLITE:

A photo-theodolite is a form of ground camera. It is a combination of camera and theodolite and is used for taking photographs and measuring the angles which the rival plane of collimation makes with the base line. Both the theodolite and camera rotate about a common vertical axis. This is used for terrestrial photogrammetry.

APPLICATION:

It is useful mapping construction, earthworks,plotting  tunnel profiles etc.

Market Value:

US $650 to 900 in PKR 90430.