Glossary Zoom | 247
Plumb line /
compensator
Standing axis
inclination
Zenith
Direction of gravity. The compensator defines the plumb line
within the instrument.
Angle between plumb line and standing axis.
Standing axis tilt is not an instrument error and is not elim-
inated by measuring in both faces. Any possible influence it
may have on the horizontal direction or vertical angle is elim-
inated by the dual axis compensator.
Point on the plumb line above the observer.
To Next Page
Loading...
