ESSENTIAL PARTS OF THE THEODOLITE
The following are the essential parts of theodolite.
1. Trivet
2. Foot Screws
3. Tribrach
4. Leveling Head
5. Spindles
6. Lower Plate
7. Upper Plate
8. Plate Bubble
9. Standard of
A-frame
10. Telescope
11. Vertical Circle
12. Index Bar or
T-frame
13. Altitude Bubble
14. Compass
1. Setting the
theodolite over the station
2. Approximate
leveling by Tripod Stand
3. Centering
4. Leveling
5. Focusing the Eeyepiece
6. Focusing the
Object glass
7. Setting the Vanier
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