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Functions of Salient Parts |
Telescope : used to sight a staff placed at desired station and to read staff reading distinctly. Diaphragm : holds the cross hairs (fitted with it). Eye piece : magnifies the image formed in the plane of the diaphragm and thus to read staff during leveling. Level Tube : used to make the axis of the telescope horizontal and thus the line of sight. Leveling screws : to adjust instrument (level) so that the line of sight is horizontal for any orientation of the telescope. Tripod stand : to fix the instrument (level) at a convenient height of an observer. |